Given the equation f(x) = -2x^2 + 4x + 6, find the average rate of change from x = 1 and x = 2

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c