Answer:
The graph is B
2x(x-7)+3(x-7)
2x²-14x+3x-21
2x²-11x-21
-3
Step-by-step explanation:
f(x)= x²+3x-1
f(-1)= (-1)²+3(-1)-1
= 1-3-1
= -2-1
= -3
