She bought it at a 15% discount because 15 percent of 40 is 6 and 40-6=34
Answer: D) Translation
Step-by-step explanation: I just took the test
I’m pretty sure the answer is A.
Answer:
The rate of change is 1
Step-by-step explanation:
In order to calculate the rate of change, take two points (in this example I'll use points (8, 2) and (10, 4)) and input them into this expression used to calculate rate of change: 

Solve:
4 - 2 = 2
10 - 8 = 2
2/2 = 1
The rate of change is 1.
Hope this helps :)