Use the binomial theorem to expand (x - 2y)^3

Describe the domain and range of y=2(3)^x-2+5

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.