Answer:
D.
Step-by-step explanation:
Answers : x= 15 i took a test and got it right
2/7 use the method of pemdas
3x9 8/1
Change the y to w the app didnt have the letter w so i just had to choose another letter
Answer:



Step-by-step explanation:
Given
--- 
-- 
Solving (a); f(-1)
Here 
, so:



Solving (b); f(0)
Here 
, so:



Solving (c) f(2)
Here 
, so:


