If f(x)=2x^2+1 and g(x)= x^2-7 find (f-g)(x)

Julien Lachal asked Feb 16, 2022

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Julien Lachal asked Feb 16, 2022

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17 votes

Answer:

x² + 8

Explanation:

(f - g)(x)

= f(x) - g(x)

= 2x² + 1 - (x² - 7)

= 2x² + 1 - x² + 7 ← collect like terms

= x² + 8

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