F(x) = x +3 g(x) = 2x2 - 4
Find (fºg)(x).
A. (fºg)(x) = 2x3 + 6x2 4x - 12
B. (f. g)(x) = 2x3 12
c. (f. g)(x) = 2x3 + 6x2 + 4x + 12
O D. (f. g)(x) = 2x3 + 12

What is the vertex form of f(x) = x2 + 6x + 3

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.