Question

write an equation for the linear function satisfying f(-5)=-1 and f(2)=4, y=?x+?

Answer 1

You are actually given 2 points. When x = -5, y = -1. When x = 2, y = 4.

Now build the equation with these information.

Answer 2

Am I supposed to find the slope and then use the point-slope formula?

Answer 3

@anicuhh Yup.

Answer 4

I got f(x)=5/7x + 18/7 from that. I hope I did it right.

Answer 5

@anicuhh Remember to use parentheses. 5/7x means \(\frac{5}{7x}\), not\(\frac{5x}{7}\).

Answer 6

Alright, thanks. c: