Over what interval(s) is the function increasing?

A) -4 < x < 3
B) -0.5 < x < oo
C) -oo < x < -0.5
D) -oo < x < -4

What is the product of the radical expression. (7-2square root) (8+2 square root)

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Nine more than four times a number is the same as one less than twice the number. find the number?