Post a New Question

Math f(x)

posted by .

given f(x)= x^2+x and g(x)=2x+1 determine f[g(x)]

i don't even know where to start with this question help is much needed

  • Math f(x) -

    well, you know
    f(x) = x^2+x, so
    f(g) = g^2+g
    But, g = 2x+1, so
    f(g) = (2x+1)^2 + (2x+1) = 4x^2 + 6x + 2

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question