Adonut has a circumference of 25.12 what is the donuts radius? use 3.14
a.4 cm
b.8 cm
c.12 cm
d.16 cm

We know, circumference = 2πr

And radius = r

so, radius = 2πr/πr = 25.12/6.28 = 4 cm

So, OPTION A is your answer

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).