Answer:
It's B I took the test
In costs $17.19
Step-by-step explanation:
5 waiters
Given the ratio of waiters to chef Is 1:3
If there are 15 chefs, number of waiters is = 1:3 x 15
= 1:3 = 1/3
Therefore
1/3 x 15
Multiply through
15/3
5
There are 5 waiters
The function is not one-to-one function, hence the inverse doesn't exist for the whole domain of the function. But if we restrict the domain to or , then we can give the inverse.
So, when , the inverse is and when , the inverse is .