Results for this submission Entered Answer Preview 2 of the
Results for this submission Entered Answer Preview 2 of the questions remain unanswered. (2 points) lffox) x2 2 and g(x) x 4, find (f o g)(3) and (g of)(-5) (f o g)(3) (g of)(-5) Result incorrect incorrect
Solution
f(x) = x^2 - 2
g(x) = x+ 4
(fog)(x) = plug g(x) in to f(x)
(fog)(x) = (x+4)^2 - 2
(fog)(3) plug x = 3 and solve
(x+4)^2 - 2 = (3+4)^2 - 2 = 47
2) (gof)(x) = plug f(x) into g(x)
(gof)(x) = (x^2 - 2) + 4 = x^2 + 2
(gof)(-5) = plug x = -5 and solve
x^2 + 2 = (-5)^2 + 2 = 27
