Solve or simplify, whichever is appropriate.
- 
= 
A. {1}
B. 3x - 21
C. {35}
D. 
Answer: C
Mathematics
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Provide an appropriate response.Make a simple approximate sketch of a graph that corresponds to the following function of time. The height of a person over his or her lifetime 
A. 
B. 
C. 
D. 
Mathematics
Prove the identity.
= 
What will be an ideal response?
Mathematics
Translate from English to an algebraic expression or equation, whichever is appropriate. Let the variable x represent the number. Five subtracted from the product of 2 and a number.
A. 2x - 5 B. 2x + 5 C. 2 + x - 5 D. 2(x - 5)
Mathematics
Find the derivative.y = (x + 9)3e-2x
A. -(x + 9)2(2x + 15) e-3x B. -(x + 9)2(2x + 15) e-2x C. -6(x + 9)2e-2x D. (x + 9)2(x + 12) e-2x
Mathematics