3x²-5x-4+xy-(2xy+2x²) Simplified is x²-5x-4-xy
Answer:
With what?
Step-by-step explanation:
Let me do the work right now, then I’ll let you know!!
I'm assuming your function is f(x) = -9^(x+1)
So we just have to plug in and see if the function is true.
1) -9^(0+1) = -9^1 = -9
YES
2) -9^(1+1) = -9^2 = -81
NO
3) -9^(-1+1) = -9^0 = -1
YES
Answer:
Step-by-step explanation: