find each value if f(X) =2x-1 and g(x) = 2-x^2

Question

use the title to answer questions 1-6

1. f(0)
2. f(12)
3. g(4)
4. f(-2)
5. g(-1)
6. f(d)

plz help me out

Answer 1

I'll do the first one.

f(0) = 2(0) - 1 = 0 - 1 = -1

I bet you can get the rest!