Question

f(x)=1/x and g(x)=x^2-4x what two numbers are not in the domainof f o g?

Answer 1

@welshfella

Answer 2

f o g = 1/ (x^2 - 4x)

Answer 3

thx bro @welshfella

Answer 4

= 1 / (x(x - 4))

Answer 5

do i have to simplify that at all?

Answer 6

no what you need to do now is to work out what 2 values of x will make the denominator
= zero. These 2 numbers will not be in the domain of f o g

Answer 7

(0,4)

Answer 8

basically you need to solve
x(x - 4) = 0


yea you got it

Answer 9

good gtg

Answer 10

ok ttyl