SOLUTION: f(x)=2x-1,g(x)=x^2+2. What is f(g(-1))?

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Question 1123361: f(x)=2x-1,g(x)=x^2+2. What is f(g(-1))?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
2%28x%5E2%2B2%29-1
2x%5E2%2B4-1
2x%5E2%2B3------------------f(g(x))



x=-1:
2%28-1%29%5E2%2B3
2%2A1%2B3
5

Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=2x-1,g(x)=x^2+2. What is f(g(-1))?
This is WRONG: cross%282x%5E2%2B1%29------------------f(g(x))

cross%28x=-1%29:

cross%282%28-1%29%5E2%2B1%29

cross%282%2A1%2B1%29

cross%283%29

It's NOT 3! 

DON'T EVER TAKE AN ANSWER FROM THE PERSON who says it's 3!