Evaluate.(-3)3
A. 27
B. 9
C. -81
D. -27
Answer: D
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Determine the symmetries of the curve.r = -2 sin ? - 4 cos ?
A. x-axis, y-axis, origin B. y-axis only C. x-axis only D. No symmetry
Find the average value of the function f over the given region.f(x, y) = 
; R = {(x, y): 1 ? x ? 4, 1 ? y ? 4}
A. 
2
B. 
2
C. 
D. 
Solve the problem.433 chocolates are to be packed into boxes, each of which will contain 12 chocolates. How many boxes of chocolates will there be? How many chocolates will be left over?
A. 35 boxes; 2 chocolates left over B. 35 boxes; 1 chocolates left over C. 36 boxes; no chocolates left over D. 36 boxes; 1 chocolates left over
Solve the problem.Given the following revenue and cost functions, find the maximum profit. (Recall that profit equals revenue minus cost.) R(x) = 72x - 2x2 C(x) = 24x + 90
A. $486 B. $288 C. $378 D. $198