Evaluate the expression.8P4
A. 1680
B. 2
C. 4
D. 70
Answer: A
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A piecewise-defined function cannot have a limiting value.
Answer the following statement true (T) or false (F)
Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 2?(S - r)
B. h = 
C. h = 
- 1
D. h = S - r
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 9 inches tall and stand 60 inches apart. At some point along the road from the lowest point of the cable, the cable is 0.81 inches above the roadway. Find the distance between that point and the base of the nearest tower.
A. 21.2 in. B. 9.2 in. C. 8.8 in. D. 21 in.