The table shows the height of a tree as a linear function of the number of years since it was planted. What is the rate of change in the tree's height?
Years After

Planting, t
Height
(ft), h
4.5
1
2
7
3
9.5
4
12
A 4.5 ft/yr
B 3 ft/yr
C 4 ft/yr
D 2.5 ft/yr

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?