Pl apexf(x)=3x + 1g(x)=x^2 - 6find (f-g)(x)a.3x^2 - 17b. x^2- 3x- 7c.-x^2 + 3x + 7d.-x2 + 3x - 5

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.