Answer:
It is a function
Step-by-step explanation:
The Vertical line test
Draw a vertical line. If it touches the graph one time, it's a function.
2x^2-7x-4=0
2x^2-8x+x-4=0
2x(x-4)+1(x-4)=0
(2x+1)(x-4)=0
x=-1/2, 4
I think the answers would be B) 17
Okay and what do you need to find??
