Find the function value.Find f(4) when f(x) = 9 - 8x2.
A. 137
B. -119
C. -23
D. -55
Answer: B
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Write the given set in interval notation and graph the set on a number line.{x|x ? -9}
A. (-?, -9)
B. (-9, ?)
C. [-9, ?)
D. (-?, -9]
Solve the problem.In an economics study, three quantities m, p, and q have been found to be related by the equation m = p1/2 ? q1/2. Find m, if p = 9 and q = 36.
A. 108 B. 18 C. 9 D. 324
Solve the problem.For college, Jen deposits a certain amount of money into the bank at 5.4% interest compounded monthly and withdraws $300 at the end of each month.(a) Set up the difference equation for yn the amount in the bank after n months.(b) How large must the initial deposit be so that the money will never run out?
What will be an ideal response?
Set up, but do not evaluate, an integral for the area of the surface obtained by rotating the curve 
about the x-axis on the interval 1 ? x ? 8.
What will be an ideal response?