Find all values of x for the given function where the tangent line is horizontal.f(x) = 
A. -8, 8
B. 0, 8
C. 0, -8
D. -8
Answer: D
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Graph the one-to-one function as a solid curve and its inverse as a dashed curve on the same axes.f(x) = 
A. 
B. 
C. 
D. 
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -3x2, [0, 4], left-hand endpoint
A. 
B. 
C. 
D. 
Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = 2x2 - 7x - 4
A. x-intercepts (4, 0) and (0.5, 0) B. x-intercepts (-1, 0) and (-2, 0) C. x-intercepts (4, 0) and (-0.5, 0) D. x-intercepts (-1, 0) and (2, 0)
Divide using synthetic division.
A. x2 + 4x + 16 B. x2 - 4x + 16 C. x2 + 4x - 16 D. x2 + 16