Question

help

Answer 1

is it 4?

Answer 2

or -1?

Answer 3

find when x is -1 (use the horizontal axis there)
and then either drag your finger up or down depending on where the dot is
and then scroll over to the left or right until you get to the y-axis and read that number

Answer 4

im kinda confused -5?

Answer 5

example:
say we wanted to know the function value at x=-3