Sophy B.

asked • 29d# how do i solve this

f(x) = x-7, g(x) = x^{2}-5, and h(x) =4-2x

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## 1 Expert Answer

Mark H. answered • 29d

Tutoring in Math and Science at all levels

**"i have to evaluate (g - f)(x)"**

That notation simply means that you subtract the f(x) expression from the one for g(x)

(x^2 - 5) - (x - 7) = x^2 - x + 2

What are we supposed to do with h(x)?

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Sophy B.

i have to evaluate (g - f)(x)29d