Solve the problem.A line from the top of a cliff to the ground passes just over the top of a pole 8.0 ft high and meets the ground at a point  from the base of the pole. If the point is 99 ft from the base of the cliff, how high is the cliff? Round to the nearest unit.

A. 792 ft
B. 8 ft
C. 3960 ft
D. 158 ft


Answer: D

Mathematics

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Find the derivative of the function.y = (x + 1)2(x2 + 1)-3

A.
B.

C.
D.

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Plot the zeros of the given polynomial on the number line together with the zeros of the first derivative.y = x2 + 6x + 5

A.

B.

C.

D.

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A ball is tossed upward and then falls to the ground. Its height after t seconds is given by the function . At the time the rock reaches its peak, what can be said about ? ?

A.  is positive.
B.  is negative.
C.  is zero.
D. None of the above

Mathematics

Make a scatterplot by plotting the four points.

What will be an ideal response?

Mathematics