Find the absolute maxima and minima of the function on the given domain.
on the trapezoidal region with vertices 
and 
A. Absolute maximum: 12 at 
absolute minimum: 6 at 
B. Absolute maximum: 13 at 
absolute minimum: 0 at 
C. Absolute maximum: 13 at 
absolute minimum: 6 at 
D. Absolute maximum: 14 at 
absolute minimum: 0 at 
Answer: B
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Simplify.
A. -y
B. 
C. 
D. 
For the given functions f and g, find the requested composite function.f(x) = -6x + 9, g(x) = 3x + 3; Find the function g ? f.
A. -18x - 24 B. -18x + 30 C. 18x + 30 D. -18x + 27
For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.
= 
What will be an ideal response?
Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = -6x4 - 6x3 - 4x2 - 5x + 7
A. possible: 0 or 2 pos, 0 or 2 neg
actual: 2 pos, 0 neg
B. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
C. possible: 1 pos, 1 neg
actual: 1 pos, 1 neg
D. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg