Answer:
Step-by-step explanation:
6x=2×3×x
9xy²=3×3×x×y²
common denominator=2×3×3×x×y²=18xy²
Answer:
1/6
Step-by-step explanation:
after step 2, you simplify
Answer:
what kind of math are you working on?
Step-by-step explanation:
I'm pretty good at math, I graduate next year
Answer:

Step-by-step explanation:
*
= 
÷
=
Hope this helps you!
F(-1) = -(-1) - 2 f(2) = -(2) - 2 f(4) = -(4) - 2
f(-1) = 1 - 2 f(2) = -2 - 2 f(4) = -4 - 2
f(-1) = -1 f(2) = -4 f(4) = -6