Find f(x) at the indicated value of x.f(x) = , x = 169

A. 28,561
B. 26
C. 13
D. 15


Answer: C

Mathematics

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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the . y = , y = 0, 0 ? x ? 

A. 6?
B. 2?
C. 12?
D. ?

Mathematics

Find an equation for the sphere with the given center and radius.Center (-4, 9, 0), radius = 10

A. x2 + y2 + z2 - 8x + 18y = 3 B. x2 + y2 + z2 + 8x - 18y = 3 C. x2 + y2 + z2 - 8x - 18y = 3 D. x2 + y2 + z2 + 8x + 18y = 3

Mathematics

Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The amount of water in a pool as it is being filled, as a function of time.

A. linear; negative B. quadratic; positive C. linear; positive D. quadratic; negative

Mathematics

Evaluate. Assume u > 0 when ln u appears.  dp

A.  e5p2+ C
B. 7e5p2 + C
C. -  e5p2 + C
D. -7e5p2 + C

Mathematics