If the zeros to your quadratic function are x=6 and x=-1, which of the following is the correct factored form of the quadratic funciton?
A f(x)=(x-6)(x-1)
B f(x)=(x+6)(x-1)
C f(x)=(x+6)(x+1)
D f(x)=(x-6)(x+1)

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.