Sketch the graph of the parametric equations. Then set up the appropriate integral to find the length of the curve and use a computer to evaluate it.x = 2t cos t, y = 2t sin t, 0 ? t ? 3?
A. L = 20?
B. L = 61.51
C. L = 92.26
D. L = 61.51
Answer: C
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Multiply. 
A. 20 B. 18 C. 16 D. 27
If f satisfies the equation of change 
, then what can be said about the function 
?
?
A. f is linear with slope 4.
B. f is linear with slope 
.
C. f is exponential with growth factor 4.
D. f is exponential with growth factor 
.
Solve the problem.Barnes and Able sell life, health, and auto insurance. Sales for May and June are given in the matrices. Life Health AutoM = 
J = 
Use matrix addition to determine the total sales for each type of insurance
for each salesperson.
A. Life Health Auto 
B. Life Health Auto
C. Life Health Auto
D. Life Health Auto 
Find the gradient field F of the function f.f(x, y, z) = ln
+ z10
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k