SOLUTION: Given that f(x)=3x+4 and g(x)=-x squared, find the following. 2f(5)

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Question 78695This question is from textbook Algebra:Structure and Method
: Given that f(x)=3x+4 and g(x)=-x squared, find the following. 2f(5) This question is from textbook Algebra:Structure and Method

Answer by Septimus314(7) About Me  (Show Source):
You can put this solution on YOUR website!
The g(x) doesn't matter here, since this can be solved without that part.
f(5) is simply plugging in 5 for the x, which is 3(5) + 4= 15 + 4= 19
But the question wants what 2f(5) would be, so we multiply by 2, which is 38.