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natta225 [31]
3 years ago
9

Somebody please help asap

Mathematics
1 answer:
Elena L [17]3 years ago
6 0

Answer:

B. 4x^2 + \frac{3}{2}x - 7

Step-by-step explanation:

f(x) = \frac{x}{2} - 3

g(x) = 4x^2 + x - 4

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

= \frac{x}{2} - 3 + 4x^2 + x - 4

Add like terms

= 4x^2 + \frac{x}{2} + x - 3 - 4

= 4x^2 + \frac{3x}{2} - 7

= 4x^2 + \frac{3}{2}x - 7

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