If f of x is equal to 5 x minus 25 and g of x is equal to 1 fifth x plus 5 , which expression could be used to verify g of x is the inverse of f of x ?
Answer
A
the fraction with numerator 1 and denominator open paren 1 fifth x plus 5 close paren
B
1 fifth times open paren 1 fifth x plus 5 close paren plus 5
C
5 times open paren 1 fifth x plus 5 close paren plus 5
D
1 fifth times open paren 5 x minus 25 close paren plus 5