SOLUTION: Let f(x) = -3x-3 and g(x)=x^2+2x. Find (f-g)(2)

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Question 4940: Let f(x) = -3x-3 and g(x)=x^2+2x. Find (f-g)(2)
Answer by Abbey(339) About Me  (Show Source):
You can put this solution on YOUR website!
Let's put empty parentheses in these equations instead of x:
f( )=-3( )-3
g( )=( )^2+2( )
Then fill in the blanks with 2:
f%282%29=-3%282%29-3 g%282%29=%282%29%5E2%2B2%282%29
so f(2)=3 and g(2)=8
then (f-g)(2)=3-8=-5