magemenproduct magemenproduct

14-01-2019
Mathematics

contestada

If f(x)=2x^2+5 and g(x)=x^2-2 find (f-g)(x)

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jimrgrant1 jimrgrant1

14-01-2019

Answer:

x² + 7

Step-by-step explanation:

note that (f - g)(x) = f(x) - g(x)

= 2x² + 5 - (x² - 2)

= 2x² + 5 - x² + 2 ← collect like terms

= x² + 7

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