Answer:
$4.64
Step-by-step explanation:
40% of 7.74 is 3.096, which is the amount that gets taken off.. so 7.74-3.096 is 4.644. Round that because it's money and you get 4.64.
Given
--- inverse
Required
For two functions f(x) and g(x) where f(x) and g(x)are inverse;
So, by comparison: