Answer:
f(2) = -2 + 12 = 10 so the ordered pair is (-2, 10).
12.5% goes to .125
so .125 as a fraction is:
a. 1.732
because if the number behind the number you are rounding is 5 or greater, you go up a number, but if it is less than 5, then you leave it the same. this applies to both problems.
b. 3.142