Simplify.

A.
B.
C.
D.


Answer: D

Mathematics

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Graph the function.A rotating beacon is 10 m from a straight wall. The length L of the light beam is given by . Sketch the graph of L as a function of t for . Show the portion of the graph which demonstrates meaningful values. Label significant points on the horizontal axis.

A.

B.

C.

D.

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Find the sum or difference.(4a4 - 7a2) + (8a4 - 3a2)

A. 2a6 B. 12a8 - 10a4 C. 12a4 - 10a2 D. 2a12

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Graph the function.f(x) = 

A.

B.

C.

D.

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Graph the solution set to the inequality.x + y < -5

A.

B.

C.

D.

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