Question

Dik:f(x)=x-2
g(x)=3x+1
h(x)=3-5x
ditanya.
tentukan f^-1(x) g^-1(x) h^-1(x)



tolong ya

Answer 1

F(x) = x - 2
x - 2 = y => x = y + 2 => f^-1(x) = x + 2

g(x) = 3x + 1
3x + 1 = y => 3x = y - 1 => x = (y - 1)/3
g^-1(x) = (x - 1)/3

h(x) = 3 - 5x
y = 3 - 5x => 5x = 3 - y => x = (3 - y)/5
h^-1(x) = (3 - x)/5