1.8.3 practice - functions

11. Find f(2) and f(a+h) when f(x) = 3x^2 + 2x + 4.

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

What is the measure of angle afe? 79 81 91 99

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?