Question

Let f(x)=x^2 - 5x +2 and g(x) = f(x-4)
Find the positive root of the equition f(x) = g(2)

Answer 1

g(2) = f(2-4) = f(-2) = 16

--> f(x) = 16
--> x^2 -5x+2 = 16
--> x^2 -5x -14 = 0
--> (x-7)(x+2) = 0

positive root is x = 7

Answer 2

i had got 7 but im not sure

Answer 3

good job

Answer 4

thanks you are really smart