Answer:
Sarah would have $15 dollars.
Step-by-step explanation:
Answer:

Step-by-step explanation:
The chain rule helps us to differentiate functions and a composition of two functions.
Let r(u) and s(u) be two function. Then, composition of these two functions can be be differentiated with the help of chain rule. It states that:

Now, we are given

Then, by chain rule, we have:

We can construct the function:

Where
or
is ordinate and
is abscissa.
The function actually represents a line. Since it can have linear form.

Hope this helps.
r3t40
Answer:
1-1
2-2
3-4
4-3
5-6
6-5
Step-by-step explanation:
Just simplify each equation to its simplest form
eg,: #1
4/3 = 1 1/3