Write the quadratic function in the form y = a(x - h)2 + k.f(x) = x2 + 3x + 1
A. f(x) = (x - 3)3 - 9
B. f(x) = 
2 - 
C. f(x) = 
2 + 
D. f(x) = (x + 3)3 - 9
Answer: B
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Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the first-quadrant portion of the circle
if the density of the rod is 
A. 
= 
?, 
= 
?
B. 
= 
?, 
= 
?
C. 
= 6?, 
= 6?
D. 
= 0, 
= 
?
Solve the problem.A pendulum is released and swings until it stops. If it passes through an arc of 15 inches the first pass, and if on each successive pass it travels 
the distance of the preceding pass, how far will it travel before stopping?
A. 25 in. B. 35 in. C. 40 in. D. 10 in.
For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 
, g(x) = 
Find (ff)(x).
A. 
B. 
C. 
D. 
Use the given zero to find the remaining zeros of the function.f(x) = x4 - 32x2 - 144; zero: -2i
A. 2i, 12i, -12i B. 2i, 6, -6 C. 2i, 12, -12 D. 2i, 6i, -6i