Given #f (x) = 2x + 5#; #g (x) = 3x^2#, what is equal to (f o g) (x)?
1 Answer
Jun 26, 2016
Explanation:
(f￮g)(x)=f(g(x)
To find f(g(x)) substitute x
#=3x^2" the value of g(x)"# into f(x)
#rArrf(g(x))=f(3x^2)=2(3x^2)+5=6x^2+5#
