For the given equation, find the vertex or vertices.r = 
A. 
B. 
, 
C. 
D. 
, 
Answer: C
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Solve the initial value problem.Differential Equation: 
= 
(t + 2)5/2i + etjInitial Condition: r(0) = 0
A. r(t) = [(t + 2)7/2 - 27/2]i + (et - 1)j B. r(t) = [(t + 2)9/2 - 29/2]i + (et - 1)j C. r(t) = [(t + 2)7/2 + 27/2]i + (et + 1)j D. r(t) = (t + 2)7/2i + etj
Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 4 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
Provide an appropriate response.Use the matrix operations on a graphing calculator to find the transpose of 
What will be an ideal response?
Use the quotient rule to simplify. Assume all variables represent positive real numbers.
A. 
B. 
C. 25
D. 