Again, a function is where for every x, there is only one value of y. If you look, for x of -2, there is y of 1 and -3. So removing one of them would work. The only one answer that works in (-2, 1)
Answer:
3w - 9/2 is the equivalent expression
Answer:
V = (1/3)pi(r^2)h (the first one)
The answer is 2/9. you just cross multiply then multiply straight across