Thread: Functions and graphs

Question: If f(x) = -1, what is x? what point(s) are on the graph of f?

f(x) = 2x^2 -x -1

Is x 0? How am I suppose to get the points? :/

Originally Posted by cokeclassic

Question: If f(x) = -1, what is x? what point(s) are on the graph of f?

f(x) = 2x^2 -x -1

Is x 0? How am I suppose to get the points? :/

and

so, the points on the graph where f(x) = -1 are (0, -1) and (1/2, -1)

thanks