So just switch x and y to get:

and solve for x.
so f(-1) = x = 2y -10
2) C: 4+d
3) A: x-3
4) C: 5(1-f)
I know that this is a few weeks late...
but hope this helps!
Answer:B
Step-by-step explanation:
Answer:
10 sq units
Step-by-step explanation:
Area of triangle = 1/2(4)(2) or 4 square units
Area of trapezoid = 1/2(2)(2+4) or 6 square units
Combined area = 10 sq units