Two numbers are 10 units away in different directions from their midpoint, m, on a number line. the product of the numbers is –99.

which equation can be used to find m, the midpoint of the two numbers?

(m – 5)(m + 5) = 99
(m – 10)(m + 10) = 99
m2 – 25 = –99
m2 – 100 = –99

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?