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Precalculus Questions
Find all solutions to 2 cos t = 0.35 for 0 ≤ t ≤ 2π Give...
in exercises 47-50, find the polynomial function f with real coefficients that has the given degree,...
solve each equation. When needed write the exact answer with natural logs and then approximate the...
1 point) Find the slope of the tangent line to the curve 3sin(x)+6cos(y)−5sin(x)cos(y)+x=5π3sin(x)+6cos(y)−5sin(x)cos(y)+x=5π at the point...
Two particles are moving in the xy-plane. They move along straight lines at a constant speed....
There are two ways to find the unknown coefficients of partial fraction decomposition. The second method...
The following table shows the average price of a two-bedroom apartment in uptown New York City...
A thermometer reading 8 degreesC is brought into a room with a constant temperature of 38...
The grocery store we use does not mark prices on its goods. My wife went to...
At the north campus of a performing arts school, 20% of the students are music majors....
Assume sin(θ)=19/36 where π2<θ<π, and cos(ϕ)=−11/38 where π<ϕ<3π/2. Use sum or difference formula to compute: sin(θ...
Maximum Area: Kevin wants to fence a garden using 14 rails of 8-foot each that he...
A popular sports drink can be made by adding 15 grams of powdered drink mix to...
Solve the 3x3 system. x1-x2+x3=3 -2x1+3x2+2x3=7 3x1-3x2+2x3=6
Question 1: Two cars start moving from the same point. one travels south at 48 mi/h...
1) Write nth term suggested by pattern. 1, 1/4, 1/16, 1/64, ... 2) Find first term...
Complete the square on x to find the vertex of the parabola given by g(x). Describe...
1. Answer the following. a. Find the area of a triangle that has sides of lengths...
a) Find the time it will take for an investment of $ 17,000 to accumulate to...
1.) Find the standard form of the equation of the parabola with the given characteristic(s) and...
Name the Quadrant 1. cot q = -3 , tan q = 2. cot q =...
Find the interest earned on $25000.00 invested for 6 years at 4.5% interest compounded as follows....
Convert the following Cartesian equations to polar equations: a.) x^2+y^2=64 b.) x^2+y^2=-2y Greatly appreciated!
The population P (in thousands) of a certain city from 2000 through 2014 can be modeled...
4) A furniture manufacturing company manufactures tables and chairs. The relevant manufacturing data are given in...
Find all numbers x satisfying the given equation. |x-3| + |x-4| = 1/2 Please explain step...
Ryan fires a missile off a cliff toward Metropolis at a height of 240 feet above...
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer....
Find the rational zeros of the function h(t)=t^3+8t^2+13t+6
Solve the system of equations. Find all solutions. 5x + 7y = 31 x 2 +...
how can I find the domain, x and y intercepts of this function? f(x) = x2...
15. Find all the real zeros of the polynomial. Use the quadratic formula if necessary, as...
1. solve for x and graph solution on a real number line |150-20x| ≤10 2. solve...
Consider the following system of equations. 3x − 2y = b1 4x + 3y = b2...
Find the exact value sin ?(2 arctan(−a/b)+arccos(a))?,where a>0, b>0, and a2+b2 =1.
Juanita and Juanito started climbing from the same location at the same time. Juanito climbed to...
Suppose the manufacturer supplies 1000 units if the wholesale price is $15 each but will supply...
Use vectors to find the interior angles of the triangle given the following sets of vertices....
1. Find all zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all...
1. Use synthetic division and the Remainder Theorem to evaluate P(c). P(x) = 3x2 + 13x...
1.Given cos(x) = 1/6 with 3π/2 < x < 2π. Find the value of cos(2x). 2....
What is the reference angle to 240o and A 45o-45o-90o triangle has a side length of...
Let f(x) = 2a^(2x) for some positive constant a. Express f(kx+2) in terms of f(x) if...
Having so much hard time solving this question... Original Question is "Show that the cylinder {(x,y,z)...
Find the standard form of the equation of the ellipse satisfying the given conditions. Foci: (0,-5),...
A store has two types of animal feed available. Type A contains 9 pounds of oats...
Arnold hit a golf ball with an initial velocity of 150 feet per second at an...
A tunnel under a highway overpass has the shape of the upper half of an ellipse,...
1. The movement of a ball is modelled by the function y= 3sin(pi/2 x ) +7....
Given a zero of the polynomial, determine all other zeros (real and complex) and write the...
1). The magnitude and direction of two forces acting on an object are 90 pounds, S72°...
How long will it take an investment of $6000 to double if the investment earns interest...
The parents of a child have just come into a large inheritance of $128,000 and wish...
Suppose that 0 < | x-(-3) | < 2. Where does x have to be on...
1. Consider the functions ?(?) = √? + 1 , ?(?) = 2? 4−? , and...
Use Gaussian Elimination to solve and show all steps: 1. (x+4y=6) (1/2x+1/3y=1/2) 2. (x-2y+3z=7) (-3x+y+2z=-5) (2x+2y+z=3)
2secxcotx−2√3secx+cotx−√3=0 Solve
5. All the real zeros of the given polynomial are integers. Find the zeros. (Enter your...
Given f(x)=2x3-7x2+9x-3, use the remainder theorem to find f(-1)
find at least 5 different summation notations a) 6+8+10+12+....+32 b) 5+7+9+11+....+31
Water is draining from a large tank. After tmin, there are150000-7500t +t2 litres of water in...
If θ is in the interval [0, 2π) and cos(θ) = √ 2/2 , then θ...
Consider f(x) = (3x+4)/(2x-3) a) Show f(x) is 1-1 by showing that if f(a) = f(b),...
the verteces of an ellipse are V(0+/-3) and the foci are F(0,+/-2) find its equation.
The monthly demand for a certain brand of perfume is given by the demand equation p=100e^-0.0002x+150...
A person is running along a beach (assume flat ground, no incline) at a constant speed...
Solve the rational inequality: (3x-9)/(x+1) > 2. Show work (on your paper) using a table with...
A convertible and a minivan leave a highway junction at the same time. The convertible travels...
Find the complete factorization of P(x) = x^3-64 The answer I got was (x-4)(2-2i√3)(2+2i√3) but I'm...
A certain vehicle can accelerate from a standing start to a speed of v(t) = −0.27t^2...
Solve the following system of linear equations using the techniques discussed in this section. (If the...
if x= log (w) and y=log(z), what is log (wz^3) in terms of x and y.
A20) Given that f(x) is a cubic function with zeros at −2−2 and 2i−2, find an...
Find the angle theta between vectors u=(5,6) and v=(-8,7). Find a unit vector orthogonal to v.
sifferential equation. x(x+4y)y'=y(x-4y) find general solution.
A nuclear scientist has a sample of 100mg of a radioactive material. She monitors the amount...
A worker starting his shift at 7:00 AM will have produced Q(t)= -t^3+6*t^2+15*t units t hours...
You have $4000 with which to build a rectangular enclosure with fencing. The fencing material costs...
Solve triangle ABC. (If an answer does not exist, enter DNE. Round your answers to one...
Hyperbolas 4(y - 1)^2 - (x + 4)^2 - 36 =0 state the 2 vertices of...
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