SOLUTION: If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2) please I could use some help. thank you

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2) please I could use some help. thank you      Log On


   

Question 131620: If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2) please I could use some help.
thank you
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If f(x)=x+4 and g(x)=2x^2-x-1, find the composition (fog)(2)
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(fog)(2) = f[g(2)] = f[2*2^2-2-1] = f[5]= 5+4 = 9
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Cheers,
stan H.