SOLUTION: I am lost on this one anybody help please given f(x)=3x^2-7x+2 and g(x)=4x-3, find (f-g)(5) thanks

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I am lost on this one anybody help please given f(x)=3x^2-7x+2 and g(x)=4x-3, find (f-g)(5) thanks       Log On


   

Question 61937This question is from textbook
: I am lost on this one
anybody help please
given f(x)=3x^2-7x+2 and g(x)=4x-3, find (f-g)(5)
thanks
 This question is from textbook

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=3x^2-7x+2 and g(x)=4x-3, find (f-g)(5)
Subtract g from f to get:
(f-g)(x)=3x^2-11x+5
Then:
(f-g)(5)=3(5^2)-11(5)+5
=75-55+5
=30
Cheers,
Stan H.