Question

1. Which statement about the function below is true?

f(x) = x^3 + 3x^2 - 9x - 27 = (x - 3)(x + 3)(x + 3)

a)The root 3 has a multiplicity of 1.
b)The root 3 has a multiplicity of 2.
c)The root 3 has a multiplicity of 2.
d)The root 3 has a multiplicity of 3.

2. The yearly profits of a new small business, in hundreds of dollars, during its first 10 years can be modeled by p(x) = x^3 + x^2 - 2x + 31, where x is the number of years since the business opened. What was the yearly profit in year 6?

a)$13,700
a)$14,000
a)$27,100
a)$28,300

Answer 1

1. d.
2.