Find the intervals over which the given function is increasing, is decreasing, or is constant.f(x) = -5x2 + 3
A. increasing on (-?, 0); decreasing on (0, ?)
B. decreasing on (-?, 0); increasing on (0, ?)
C. decreasing on (3/5, ?)
D. increasing on (-?, 3/5)
Answer: A
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The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = x2 - 6x + 8
A. one real zero; one imaginary zero B. two real zeros; no imaginary zeros C. two real zeros; two imaginary zeros D. no real zeros; two imaginary zeros
For the point given in rectangular coordinates, find equivalent polar coordinates 
for 
and 
Approximate ? to the nearest hundredth of a radian.(-7, -24)
A. (25, 4.43) B. (50, 1.29) C. (25, 1.29) D. (25, 6.00)
Find the equation of the axis of symmetry of the parabola.y = -4x2 - 16x - 11
A. x = -5 B. x = -2 C. x = 5 D. x = 2
Solve the problem.Find the value for x in the rectangular prism. Use exact values. 
7 in.
A. 3
in.
B. 
in.
C. 2
in.
D. 310 in.