1. Which of the following is an example of a polynomial function?

A. () = 43 + 3 − 1

C. () = 3 − 26

B. () = 2

3

2 − 3

2 2

D. () = 3 + √3 − 5

2. What is the leading coefficient of the polynomial function () = 2 + 3 + 4?

A. 1

B. 2

C. 3

D. 4

3. What is the degree of the polynomial function () = 24 + 33 − 2 + 5 − 4?

A. 1

B. 2

C. 3

D. 4

4. Which of the following polynomials is in the first degree?

A. x + 1

B. 5 + 5

C. x2 – 1

D. 1 − 3

5. What is the polynomial function whose x-intercepts are -2, 2, and 3?

A. y = x + 10

C. y = (x2 – 4)(x – 3)

B. y = (x2 – 4)(x − 3)2

D. y = none of these

6. From the choices below, which polynomial function in factored form represents the given

graph?

A. f(x) = (x + 2)(x + 1)(x – 1)

B. f(x) = (x + 1)(x – 1)(x – 2)

C. f(x) = x(x + 2)(x + 1)(x – 1)

D. f(x) = x(x + 1)(x – 1)(x – 2)

7. What are the end behaviors of the graph of f(x) = -2x + x3 + 3x5 – 4?

A. rises to the left and falls to the right

C. falls to the left and rises to the right

B. rises to both directions

D. falls to both directions

8. Given : f(x )= x2 (x – 2)3 (x – 7). Find and select the roots and its multiplicity.

A. 0 (mult. of 2), 2 (mult. of 3), 7 (mult. 1)

C. 2 (mult. of 3), 7 (mult. 1)

B. 0, 2, 7

D. 2 (mult. of 2), 7 (mult. of 3)

9. How do you define the number of turning points of the graph of polynomial functions?

A. ( − 1)180, where is the degree

C. − 1, where is the degree

B. + 1, where is the degree

D. + 2, where is the degree

10. The growth rate of a colony of bacteria t hours after the start of an epidemic is given by the

function () = −4 + 123 − 582 + 132. How many hours after the breakout will the bacteria

be totally eliminated?

A. 4 hours

C. 8 hours

B. 6 hours

D. 10 hours​