Use the given functions to find the requested function.f(x) = 
, g(x) = 
Find (f + g)(x).
A. 4x
B. 
C. x
D. 
+ 
Answer: D
Mathematics
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Multiply.-1 ? 15
A. - 
B. 15
C. -1
D. -15
Mathematics
Simplify the algebraic expression.5y + 2y
A. 7y B. 3y C. 7 + y D. 10y
Mathematics
An investment firm offers 3 stock portfolios, A, B, and C. The number of blocks of each type of stock in each of these portfolios is summarized in the following table: 
A client wants 33 blocks of high-risk stock, 27 blocks of moderate-risk stock, and 30 blocks of low-risk stock. How many of each portfolio should be suggested.
What will be an ideal response?
Mathematics
Factor the sum or difference of two cubes completely.125a3 - 64b3
A. (125a - 4b)(a2 + 20ab + 16b2) B. (5a + 4b2)(25a2 - 20ab + 16b2) C. (5a - 4b)(25a2 + 20ab + 16b2) D. (5a - 4b)(25a2 + 16b2)
Mathematics