3 years ago

Evaluate f[g(x)] when f(x)=7x-5 and g(x)=x+2

Mathematics

1 answer:

Alex3 years ago

5 0

Answer:

7x+9

Step-by-step explanation:

f(x)=7x-5

g(x)=x+2

f[g(x)]= Substitute g(x) in for x in the function f(x)

=7(g(x))-5

= 7( x+2) - 5

Distribute

= 7x+14 - 5

Combine like terms

=7x +9

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