The point-slope form:

We have
f(-9) = 10 → (-9, 10)
f(-1) = -2 → (-1, -2)
Substitute:

<h3>Answer: f(x) = -1.5x - 3.5</h3>
Answer:
Correct choice is B
Step-by-step explanation:
Let x% be your final test score, then the average of all test scores is

Since you must have an average between 80% and 89%, then

X is measured in percent, then the greatest value of x can be 100%. You get that
