For the function find the maximum number of real zeros that the function can have, the maximum number of x-intercepts that the function can have, and the maximum number of turning points that the graph of the function can have. f(x) = 7x2 - 10 + 0.12x - 9x3
A. 3; 3; 2
B. 3; 3; 3
C. 2; 2; 2
D. 2; 2; 1
Answer: A
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Solve the problem.The vertex and focus of one parabola are, respectively, the focus and vertex of a second parabola. If 
is the equation of one parabola, find the points of intersection of the two parabolas.
A. 
and 
B. (16, -16) and (16, 16)
C. 
and 
D. (4, -16) and (4, 16)
Without graphing, determine whether the following data set is exactly linear, approximately linear or nonlinear.
A. approximately linear B. exactly linear C. nonlinear
Match the given function to its graph.1) y = sin x2) y = cos x3) y = -sin x4) y = -cos xAB
?
CD
?
A. 1A, 2B, 3C, 4D B. 1B, 2D, 3C, 4A C. 1A, 2D, 3C, 4B D. 1C, 2A, 3B, 4D
Find the exact value under the given conditions.sin ? = - 
, 
< ? < 2?; tan ? = - 
, 
< ? < ?Find cos (? + ?).
A. 
B. - 
C. 
D. - 