One circle is 360 degrees. Then, 360/5 = 72 degrees per slice of watermelon.
You know if something is a function or not because the X will never be used twice in a set. If it is, then it's not a function.
A. Uses -1 twice
B. Uses Nothing twice (good)
C. Uses 0 twice
D. Uses 0 twice
B is your answer

Notice that if

, then

. Recall the definition of the derivative of a function

at a point

:

So the value of this limit is exactly the value of the derivative of

at

.
You have
Which of the following is the correct way to write seventy million as a numeral?
As I see no choices the right way to write seventy million as a numeral is

Hope I helped!