The tip is $6.21
with that being said, 34.50 + 6.21 = 40.71
the total cost is $40.71
Answer:

Step-by-step explanation:
To find the inverse of a function, simply 'switch' the x and y's and solve for y.
becomes
. Now, solving for y, we get
.
hope this helped! :)
How do people......I just don't understand this
Real numbers. Others contain fractions and decimals which are breaking down a whole. Real numbers are 1 whole. Hope this helps (Hope i get brainliest to!)