Graph the equation.y = -2x2

A.

B.

C.

D.

Answer: D

Mathematics

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Use the graph to evaluate the limit.Find f(x) and f(x)

A. -2; -7 B. -5; -2 C. -7; -2 D. -7; -5

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Mathematics

Simplify by factoring. Assume no radicands were formed by raising negative numbers to even powers.

A. 5xy
B. 5xy2
C. 5x2
D. 5x

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Mathematics

Solve the given applied problems involving variation.The time in hours it takes a satellite to complete a circular orbit about the earth varies directly as the radius (from the center of the earth) of the orbit and inversely as the orbital velocity. If a satellite completes an orbit  above the earth in  at a velocity of  how long would it take a satellite to complete an orbit if it is circling 1700 km above the earth at 

src="https://sciemce.com/media/4/ppg__text0424191335__f1q21g4.jpg" alt="" style="vertical-align: -4.0px;" /> (Assume the radius of the earth is 

A. 580 min
B. 120 min
C. 220 min
D. 190 min

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Mathematics

For right triangle ABC, m = 90°. If b = 8 and c = 12, find cos B (or cos ).

What will be an ideal response?

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Mathematics