Question

Charles will babysit for up to 4 hours and charges $7 per hour. Write a function in function notation for this situation.

Answer 1

f(x)=4/7x
If I'm wrong please feel free to correct me.

Answer 2

The function is
`C(x)=7x`

Explanation:

Given : Charles will babysit for up to 4 hours and charges $7 per hour.

To find : Write a function in function notation for this situation ?

Solution :

Let the work done by Charles in 'x' hour.

The charges is $7 per hour.

To create a function of x,

The cost function of 'x' hour is
`C(x)=7x`

Charles will babysit for up to 4 hours.

So, The cost for 4 hour is
`C(x)=7* 4`

`C(x)=\$28`