Question

f(x)=5x-3, g(x)=x^2 find fg(-2) and find gf(x) in terms of x​

Answer 1

Step-by-step explanation:

g(x)=x2

g(-2)=(-2)2

g(-2)=4

put g(-2) in f(x)

fg(-2)=5(g(-2))-3

fg(-2)=5(4)-3

fg(-2)=20-3

fg(-2)=17

now

gf(x)=?

g(x)=x2

gf(x)=(5x-3)2

gf(x)=25X2+9-30X