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Precalculus Questions
Use the growth model P= 208^0.008t describes the population of the United States, in millions, t...
A ship leaves port and travels due north at 15 knots for two hours. Then it...
Let g(x) = 25e^.04x Write the inverse of g and specify its domain. Let f(x) =...
A plane is flying with an airspeed of 200 mph in the direction of N 50°E...
Given: A = 1 −1 −2 3 B = 1 5 8 −8 C = 1...
Find the linear velocity of a point on the edge of the wheel rotating 300 times...
How do I solve this? A ferris wheel is 35 meters in diameter and boarded from...
1. Brian wins $280 by betting $8 on a single number on a roulette table at...
At auction, 5-month T-bills were sold at a discount of 3.705%. What was the simple annual...
The angle of elevation from the top of an office building in New York City to...
A restaurant is considering an update to its list of appetizers by adding mozzarella sticks and...
Recall the equation for a circle with center (h,k)(h,k) and radius rr. At what point in...
Solve the following equation in the interval [0, 2 π]. Note: Give the answer as a...
The populations of termites and spiders in a certain house are growing exponentially. The house contains...
What are the main differences between theoretical and experimental probability? How can you tell which one...
Solve the system of equations given below. 2x+5y+z= -1, 3x-5y-z= 6, 5x+y+3z= 10.
At the neighbourhood library branch, you can borrow books, magazines and DVDs. The rules are as...
Find the equation of the circle shown in the figure.
Identify where f is increasing and where f is decreasing. (Hint: Consider the graph yequals=f(x).) f...
A plane is flying a course directly over a straight line joining two observation posts which...
express the polynomial x^4+64 as a product of four linear factors. hint: write x^4+64= (x^4+16x^2+64)-16x^2, then...
Given cos(2α)=49/81 and 0<2α<π/2 , find exact values of the six trigonometric functions. Note: You are...
Solve the system using 3x3 3x-2y+z=2 5x+y-2z=1 4x-3y+3z=7
Based on pp.174 – 184, rules of differentiation, please find the derivative of the following univariate...
How many 6-member committees can be formed from 8 girls and 9 boys if the following...
A new television depreciates $140 per year, and it is worth $260 after four years. Find...
The four sequential sides of a quadrilateral triangle have lengths a=4.5, b=7.1, c=9.3, and d=11.2 (all...
4. Solve the system of linear equations by using the Gauss-Jordan (Matrix) Elimination Method. No credit...
The work W required to lift an object varies jointly with the object's mass m and...
Simplify cos ( 4 w ) − cos ( 2 w ) sin ( 4 w...
Gymnast Clothing manufactures expensive hockey jerseys for sale to college bookstores in runs of up to...
A Ferris wheel is 20 m in diameter and makes 1 revolution every 3 minutes. This...
Trigonometric Function Graphics: Draw the fundamental cycle of the following trigonometric functions. Indicate the specific amplitude,...
due to drought, the number of coyotes in an animal reserve in Arizona has decreased by...
Use the angle sum or difference identity to find the exact value of each. 2) sin-7π/12...
Four dice are tossed. What is the probability that each occur? 1) At least three 2's...
The cost of producing x units of a product is modeled by the following. C =...
Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the...
Find sin(x/2), cos(x/2), and tan(x/2) from the given information. Sin(x) = 24/25, 0° < x <...
Write a polynomial in factored form with least possible degree having zeros at −1 ???????????? 3,3...
Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant....
By volume, one alloy is 55% copper, 30% zinc, 15% nickel. A second alloy has a...
The following table gives the calories, fat, and carbohydrates per ounce for three brands of cereal....
The price of a theater ticket is $ 9 dollars for adults and $ 4.9 dollars...
Find an equation of the line that satisfies the given conditions. Through (−4, −13); perpendicular to...
Rewrite the equation in exponential form. A) logn(8) = m B) log a = x C)...
2. Solve the system of linear equations by using the Gauss-Jordan (Matrix) Elimination Method. No credit...
For the ellipse, write the coordinates of the foci.
Two polynomials P and D are given. Use either synthetic or long division to divide P(x)...
A person invested $7500 for 1 year, part at 4%, part at 10%, and the remainder...
Use the Law of Cosines to find the remaining side and angles if possible. (Round your...
The population of Adamsville grew from 9,000 to 14,000 in 6 years. Assuming uninhibited exponential growth,...
Which of the following is identical to (sin2x / sinx) - (cos2x / cosx) a. sin^2x...
600-room hotel can rent every one of its rooms at $80 per room. For each $1...
Let ?(?)=2?3−9x^2+3?+4. List all possible rational roots of ?g, according to the Rational Zeros Theorem. You...
do quadratic and rational functions always have vertical and horizontal asymptotes?
A boulder falls off a cliff the edge of a cliff with a height of 1234...
Given the function P(t)=4t4−28t3+48t2P(t)=4t4-28t3+48t2 its PP-intercept is its tt-intercepts are
Form a polynomial f left parenthesis x right parenthesis with real coefficients having the given degree...
(a) Construct the matrix A=[Ajj] if A is 2x3 and Aij= -i+6j (b) Construct the 2*4...
West of a city, a certain eastbound route is straight and makes a steep descent toward...
A 712 ft sidewalk connects the library and the physics lab. A 603 ft sidewalk connects...
. Find the second degree equation if the vertex of the parabola is (4, -2) and...
given only the value of sin θ, can you calculate the value of cos2θ ?
For the rational function ?(?)=(?+3)(?−1)(?−3)(?+1)f(x)=(x+3)(x−1)(x−3)(x+1). Find the vertical asymptote(s): Note: If there is more than one,...
The moon's distance from Earth varies in a periodic way that can be modeled by a...
A farmer has 1,210 acres of land on which he grows corn, wheat, and soybeans. It...
9. Suppose that tan(alpha)=3/4 and pi<alpha<3pi/2. Find: a)sin(2alpha), b)cos(2alpha). 10. Suppose that tan(alpha)=-3 and 3pi/2<alpha<2pi. Find:...
for the function y=ln(x+1)+5 which of the following statements is true? A: The domain is (−1,...
Find a polynomial of degree 3 with real coefficients that satisfies the given conditions. Zeros of...
Rectangle Border (Altered Version) This rectangle consists of 48 square units in a 6 × 8...
Evaluate the expression under the given conditions. sin(θ + ϕ); sin(θ) = 3/5 , θ in...
Use implicit differentiation to find an equation of the line tangent to the curve sin(x+y)=2x-y at...
Katie Smith wants to use all of her 6384 building blocks to build a trapezoidal wall....
Solve for f(x)= -4x^2 +24x - 11 using the complete the square method. Put answer in...
Stacy invests $1, 200 at 7% interest compounded quarterly. After 5 years, how much money will...
Suppose π / 2 ≤ γ ≤ 3π / 2 and cot γ = −11 /...
Use an inverse matrix to solve (if possible) the system of linear equations. (If there is...
Cost, revenue, and profit are in dollars and x is the number of units. Suppose that...
1. Find all rational zeros of the polynomial, and then find the irrational zeros, if any....
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