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3 years ago

Helpp plzzzz

Mathematics

1 answer:

jasenka [17]3 years ago

6 0

Answer:

D. 3x^2 + 3/2 x - 9

Step-by-step explanation:

(f+g)(x) = f(x) + g(x)

... = ((1/2)x -3) + (3x² +x -6) . . . . . substitute for f(x) and g(x)

... = 3x² +x(1/2 + 1) + (-3 -6) . . . . . combine like terms

... = 3x² +(3/2)x -9 . . . . . matches selection D

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