The circular opening of a tunnel has a circumference of 42
meters. Which equation can be
used to find d, the diameter of
the tunnel opening?

they go with it happens or they mite give a chance?

step-by-step explanation:

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).