Question

If f(x)=3x-1 and g(x)=x2+2 what is f[g(x)]

Answer 1

Value of f[g(x)] = 3x² + 5

Explanation:

Given:

f(x) = 3x - 1

g(x) = x² + 2

Find:

Value of f[g(x)]

Computation:

f(x) = 3x - 1

g(x) = x² + 2

So,

f[g(x)] = 3(x² + 2) - 1

f[g(x)] = 3x² + 6 - 1

Value of f[g(x)] = 3x² + 5