tweety706 tweety706

01-11-2018
Mathematics

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given f(x)=x^2-5 and g(x)=20-x find (f-g)(2)

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wegnerkolmp2741o wegnerkolmp2741o

01-11-2018

f-g = x^2-5 - (20-x)

f-g = x^2 -5-20+x

f-g = x^2 +x-25

f-g(2) = 2^2 +2 -25

= 4+2-25

= -19

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