Answer:
9.25
Step-by-step explanation:
Mark doubled the number so we can divide 40.5 by 2 which is 20.25
Then we can subtract 11 from 20.25 because Mark added 11 to the number.
Answer:
-8x - 8
_____
8
Step-by-step explanation:
The answer to this question is 1:5
Answer:
D
Step-by-step explanation:
<u>How to find the inverse of a function.</u>
- Replace f(x) with y
- Swap x and y places. (sign doesn't matter here.)
- solve for y.
f(x) = 8√x
y = 8√x
x = 8√y
x^2 = (8√y)^2
x^2 = 64y
y = x^2 / 64
= (1/64) x^2
