Hello from MrBillDoesMath!
Answer:
True
Discussion:
From the diagram, f maps each x to a unique value so f is a function. One such possible possible function (but not the only one!) that does this is
f(x) = x/4
Thank you,
MrB
So, the formula for this one is:
C = 2πr
(use 3 for pi again)
so substitute the numbers:
C = 2 x 3 x 2
and the answer is 12
14.6 is the constant because no matter how many hours she will work (that number could change) it will always be a linear growth of 14.6.