Answer:
- 7/9
Step-by-step explanation:
-4/9 + (-1/3)
= -(4/9) - (1/3)
= - (4/9 + 1/3)
= - (4/9 + 3/9)
= - [(4 + 3) / 9 ]
= - 7/9
You do 90-45 bc the whole angel must equal 90
I'm not sure about this but will give it a try:
Let f(n) = 2xⁿ - 2
Then f(3) = 2x³ - 2
So, f(2) = 2x² - 2