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worty [1.4K]
3 years ago
9

If f(x)=3x, g(x)=x+4, and h(x)=x2-1, find the value of f[g(1)]

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0

Answer:

15.

Step-by-step explanation:

The given functions are

f(x)=3x

f[g(1)]=f[(1)+4]

h(x)=x^2-1

We need to find the value of f[g(1)].

f[g(1)]=f[(1)+4]          [\because f[g(1)]=f[(1)+4]]

f[g(1)]=f[5]

f[g(1)]=3(5)           [\because f(x)=3x]

f[g(1)]=15    

Therefore, the value of f[g(1)] is 15.

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