myishasears myishasears

23-02-2019
Mathematics

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

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wegnerkolmp2741o wegnerkolmp2741o

23-02-2019

Answer:

3x^2 -x-6

Step-by-step explanation:

If f(x) = 3x^2 - 4 and g(x) = x +2

(f-g)(x)

I like to line them up vertically

3x^2 - 4

-( x +2)

----------------------

Distribute the minus sign

3x^2 - 4

- x -2

----------------------

3x^2 -x-6

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