SOLUTION: I need help to perform the given operation f(x)=2x2-13x+15, g(x)=3x+4 I need to find (f+g)(-1)

Algebra ->  Graphs -> SOLUTION: I need help to perform the given operation f(x)=2x2-13x+15, g(x)=3x+4 I need to find (f+g)(-1)      Log On


   

Question 129714: I need help to perform the given operation
f(x)=2x2-13x+15, g(x)=3x+4
I need to find (f+g)(-1)
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
I need help to perform the given operation
f(x)=2x2-13x+15, g(x)=3x+4
I need to find (f+g)(-1)
(f+g)(x)=f(x)+g(x)=2x^2-10x+19 then
(f+g)(-1)=2(-1)^2-10(-1)+19=2+10+19=31
R:(f+g)(-1)=31