Using the curve CD in the picture below, which is the graph of a function f, find:

b
the value of x if y=−1; 0; 2; 3

2 answers

no pictures here.
Draw a horizontal line at each y-value, and read off the x-value of each intersection.

Study how to read graphs.
y=-1, x=Answerundifined.
y=0, y=-3,6
y=2, y=-2.25,0.75,4
y=3, x=answerundifined