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Mathematics 7 Online
OpenStudy (anonymous):

If f(x) = 2x + 3 and g(x) = x^2 + 1, find f(g(3)).

OpenStudy (ajprincess):

plug in g(x)=x^2+1 in place of x in f(x). What do u get? @Donnikquia

OpenStudy (anonymous):

2x^2+5?

OpenStudy (ajprincess):

yup:)

OpenStudy (ajprincess):

that is f(g(x)).

OpenStudy (ajprincess):

Nw to find f(g(3)) plug in 3 in place of f(g(x))

OpenStudy (ajprincess):

What do u get?

OpenStudy (anonymous):

23 @ajprincess

OpenStudy (ajprincess):

yup correct:) very good:)

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