Suppose f(x) = 2x2 + 12 + 4, while a =
- 1 and b = 2. Compute the following:
A.) f(a) + f(b)
B.) f(a) – f(b)

Percent increase and decrease. original number: 45 new number: 18

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?