Perform the indicated operations. Simplify when necessary.
A. 
B. - 
C. - 22
D. 
Answer: C
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Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = x1/3(x - 7)
A. Decreasing on (0, 7); increasing on (7, ?) B. Decreasing on (0, 7); increasing on (-?, 0) ? (7, ?) C. Decreasing on (-?, 0) ? (7, ?); increasing on (0, 7) D. Increasing on (0, ?)
Find the domain of the function.
A. {x|x ? 9} B. all real numbers C. {x|x ? 9} D. {x|x > 9}
Provide an appropriate response.Let f(x, y) = 3xy3 + 5e3xy. Find: 
, 
, 
What will be an ideal response?
Solve the problem.Nadine sold two kinds of tickets to her class play. Student tickets cost $4.00 each, and adult tickets cost 
each. If Nadine sold a total of 37 tickets for $193.00, how many student tickets did she sell?
A. 21 tickets B. 23 tickets C. 19 tickets D. 18 tickets