Given:
The parent function is

To find:
The function after the reflection over the x-axis.
Solution:
We know that, if a function f(x) reflected over x-axis to get the function g(x), then

Putting
, we get


The function after the reflection over the x-axis is
.
Therefore, the correct option is B.
I think it's 20. Sorry if it's wrong
Answer:
x+ y = 75
Step-by-step explanation:
The both paid a total of 75.
Therefore, in order to get 75 you would need to add the amount each of them paid.
You take 67.8/100×15
10.17
then take 15-10.17 the answer will be the wrongs u got
=4.83