Answer:
yes
Step-by-step explanation:
each input is put with only one output therefore it is a function
iiii wish iiiis corrrrrrect
Answer:

Step-by-step explanation:
We want to find the inverse of the function:

To find the inverse of a function, we will flip the variables and solve for <em>y</em>. So:

Solve for <em>y</em>. Subtract two from both sides:

Divide both sides by two:

And take the principal square root of both sides. Therefore:

Answer:
Kim is 3, Tom is 12
Step-by-step explanation:
4x + x = 15
combine like terms
5x = 15
divide both sides by five
x = 3
Answer:
$3.08
Explanation:
You subtract 3.99 from 13.23 which equals 9.24. Because there are three bags of marshmallows, divide 9.24 by 3, which equals $3.08.