Question

The answer to each question on this page is true or false. Please circle T for true or F for false and explain your answer using 1-3 complete sentences. Answers without justification will receive NO credit.

5. T F Suppose you know that the solution y(t) to IVP (dy/ dt = f(y) ; y(0) = 1 has the property that limt→∞ y(t) = 4. Is it true or false that the solution y(t) to the IVP (dy/dt = f(y); y(5) = 1 must also have the property that limt→∞ y(t) = 4? Hint: What type of differential equations take this form?

Answer #1

please don't do this unless you can do all parts, circle answer
and show work please
part 1)
Assume x and y are functions of t. Evaluate
dy/dt given that
y^2−8x^3=225 dx/dt=5, x=−3, y=3
Answer: dy/dt=
part 2)
Assume x and y are functions of t. Evaluate dy/dt given that
5xy+ sqrt(2x+y)=48 dx/dt=-4; x=3 ,y=3.
Answer: dy/dt=
part 3)
Suppose that for a company manufacturing calculators, the cost,
and revenue equations are given by
C=70000+40x, R=400−x^2/30,,
where the production output in...

True/False Questions.
For each question below, please answer “true” or “false” and
explain why. An answer without an explanation will result
in no credit.
2. (5 points) Max Gross has the utility function
U(x,y) =
max{x, y}. If the price of x
is the same as the price of y, Max will buy equal amounts
of x and y.
3. (5 points) Charlie’s utility function is
U(x,y) = xy^2. His
marginal rate of substitution between x and y
does not...

B. True-False. Circle ‘T’ or ‘F,’ as appropriate.
T
F 18. Each
element in the periodic table has a unique spectrum.
T
F 19.
Ultraviolet light has higher frequencies than visible light.
T
F 20. Red
light has shorter wavelengths than green light.

For the following questions, circle "T" for True and
"F" for False:
1. The slope deflection method depends only on rotation at joints.
( ).
2. Generally there are two types of displacement. ( ).
3. In moment distribution method increased number of cycles would
result in less
accuracy. ( ).
4. Length of beam is one of the properties that used to calculate
relative stiffness. ( ).
5. Members connected to a joint share the unbalance moment
according to...

Question 1. True (T) or False (F)? If your answer is “False,”
correct the sentence to be “True.”
b)In factor analysis, the covariance of two observed variables
depends solely on their relationship with the common factors as
measured by the sizes of the relevant factor loadings.

13-2 True or False. Identify each of the following statements as
true (T) or false (F). Provide a brief justification for your
answer.
(a) The plus end of microtubules and microfilaments is so named
because subunits are lost and never added there. (b) Colchicine is
an agent that can stop the polymerization of microtubules,
intermediate filaments, and microfilaments.
(c) Treating a mitotic cell with Latrunculin A will result in
the movement of chromosomes to one side of the cell.
(d)...

Solve the following differential equations
1. cos(t)y' - sin(t)y = t^2
2. y' - 2ty = t
Solve the ODE
3. ty' - y = t^3 e^(3t), for t > 0
Compare the number of solutions of the following three initial
value problems for the previous ODE
4. (i) y(1) = 1 (ii) y(0) = 1 (iii) y(0) = 0
Solve the IVP, and find the interval of validity of the
solution
5. y' + (cot x)y = 5e^(cos x),...

please only answer if you can do all parts, show work and circle
answer
part 1)
Use implicit differentiation to find the first derivative of y
with respect to x.
ln(4y)=5xy
dy/dx=
part 2)
Find dy/dx by implicit differentiation.
3+8x=sin(xy^2)
Answer: dy/dx=
part 3)
Find dy/dx by implicit differentiation.
e^((x^2)y)=x+y
dy/dx=
part 4)
Find dy/dx by implicit differentiation.
sqrt(x+y)= 9+x^2y^2
dy/dx=
part 5)
Find dy/dx by implicit differentiation.
e^y=8x^2+7y^2
dy/dx=

For each answer, indicate ‘T’ for TRUE or ‘F’ for FALSE. (Please
only specify ‘T’ or ‘F’ – the grading criteria requires only a
single letter.) ***Read these
carefully***
a) T or F: The longer the lead time for replenishment of
inventory, the larger the order size must be. _____
b) T or F: Automating the ordering process so as to reduce the
fixed administrative costs for placing orders should result in a
reduction in cycle inventory (assuming the proper application...

Select true or false
- (T/F) A box contains 4 red balls (R) and 3 white balls (W).
Sample two balls from the box without replacement. Then P(the 1st
ball is R) = P(the 2nd ball is R).
- (T/F) Let X be the total number of tosses of a fair coin right
before the 2nd tail appears. Then VarX = 4.
- (T/F) If (X, Y ) is uniformly distributed over the unit disk
{(x, y) ∈ IR2 :...

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