SOLUTION: I am not stupid but these two problems have me stumped... any help is appreciated given g(x)=4x-3, find g(3a). HELP ME PLEASE given f(x)=x^2 - x+7, find f(0)

Algebra ->  Functions -> SOLUTION: I am not stupid but these two problems have me stumped... any help is appreciated given g(x)=4x-3, find g(3a). HELP ME PLEASE given f(x)=x^2 - x+7, find f(0)      Log On


   

Question 48839: I am not stupid but these two problems have me stumped... any help is appreciated
given g(x)=4x-3, find g(3a). HELP ME PLEASE
given f(x)=x^2 - x+7, find f(0)
Answer by atif.muhammad(135) About Me  (Show Source):
You can put this solution on YOUR website!

g(x)=4x-3, find g(3a). 

Substitute "3a" for x.  g(3a) = 4(3a) - 3 = 12a - 3

given f(x)=x^2 - x+7, find f(0)

Substitue "0" for x. f(0) = 0^2 - 0 + 7 = 7