Answer:
5x+4f-1(x)=3 this is short answer
Answer:
1a: f(-2) means substituting -2 for x
1b: 65
I don't know the second one
True, and it's called an isosceles right triangle :D
4 because you take 2²= 2 times 2 = 4
Answer:
Z = 20
Step-by-step explanation:
3 x 20 = 60
60 - 12 = 48
