Chose whether the probability is mutually exclusive or not P(A) = 2/5 P(B) = 1/2 P(A or B) = 9/10

Given the graph below state whether or not the relation is a function, and give the domain and range.

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.