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Doss [256]
4 years ago
15

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

Mathematics
1 answer:
Alex4 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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