Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Increasing on (-?, 0); decreasing on (0, ?)
B. Decreasing on (-?, 0); increasing on (0, ?)
C. Increasing on (-?, ?)
D. Decreasing on (-?, ?)
Answer: A
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Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 6.8; d = 7.2 B. w = 6.8; d = 9.2 C. w = 4.8; d = 9.2 D. w = 5.8; d = 8.2
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Begin by graphing the standard quadratic function f(x) = x2 . Then use transformations of this graph to graph the given function.h(x) = -(x - 7)2 + 2
A. 
B. 
C. 
D. 
Find the foci of the hyperbola.x2 - 
= 1
A. (0, 
) and (0, -
)
B. (
, 0) and (-
, 0)
C. (0, 
) and (0, -
)
D. (
, 0) and (-
, 0)