To the nearest hundredth, what is the circumference of a circle with a radius
of 5 units?
a. 27.63 units
b. 15.70 units
c. 78.54 units
d. 31.42 units

D. 31.42

Step-by-step explanation:

you can look up a calculator and it gives you the answer!

slope= 1

y-inter slope= 0

x       y

o     0

1       1

2     2

ect.

step-by-step explanation:

since no one answered yet i will give it a shot, not completely sure tho.

i think it should be y=cos(x+2pi), (third answer, answer c)

good luck.