Find the area of the shaded region. f(x) = -x3 + x2 + 16x

A.
B. - 
C.
D.


Answer: D

Mathematics

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Evaluate the expressing using a unit circle or state that the quantity is undefined. All angles are in radians.sec 

A. -1 B. 0 C. 1 D. Undefined

Mathematics

Solve the problem.The height of the water, H, in feet, at a boat dock t hours after 7 A.M is given by , where t is time measured in seconds. Find the period.

A.
B.
C. 120
D. 120?

Mathematics

Solve the problem.A building 250 feet tall casts a 90 foot long shadow. If a person stands at the end of the shadow and looks up to the top of the building, what is the angle of the person's eyes to the top of the building (to the nearest hundredth of a degree)? (Assume the person's eyes are 4 feet above ground level.)

A. 70.20° B. 21.46° C. 69.90° D. 68.54°

Mathematics

Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.-x = 0.88; divide by

A. -1
B.
C.
D. 0.88

Mathematics