PLS HELP PRE CALC ILL GIVE BRAINLIEST 1) Determine. f(2+h)-f(2) /h if f (x) = 5x − 6

2) Which of the following is the average rate of change over the interval [−2, 5] for the function g(x) = log2(x + 3) − 4

3)For j(x) = 3^x − 1 find j(x+h)-j(x) / h
answering any of these will help sm

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.