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GuDViN [60]
2 years ago
11

F f(x) = - 4x + 3 and g(x) = 3x2 + 2x - 4, find (f+ g)(x).

Mathematics
1 answer:
Alla [95]2 years ago
4 0

Answer:

A.

{ \bf{(f + g)x =  {(3x}^{2} + 2x - 1) + ( - 4x + 3) }} \\  = ( {3x}^{2}  - 2x + 2)

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For this case we can propose an equation that will allow us to find the price of one of the books knowing the price of the other.

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According to the statement we have:

x = \frac {y} {2} -2\\

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Finally, we can substitute the price of one of the books and clear the value of the other as the case may be.

Answer:

x = \frac {y} {2} -2

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