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F(x)=7x-9, f(a +9),what’s the answer HELPME
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F(x)=7x-9, f(a +9),what’s the answer HELPME

User Brent Anderson
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1 Answer

2 votes

Explanation:

substitute a+9 in place of x in f(x)

f(a+9)= 7(a+9) -9

= 7a+63-9

= 7a+54

User Dylants
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