AP Precalculus Unit 2: Polynomial and Rational Functions

Question 1

What is the degree of the polynomial function f(x) = 3x^4 - 2x^2 + 5x - 1?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 2

For the polynomial f(x) = (x - 2)(x + 3), what are its zeros?

Accepted Answer

2 and -3

Answer

-2 and 3

Answer

2 and 3

Answer

-2 and -3

Question 3

In the polynomial f(x) = -5x^3 + 7x^2 - x + 10, what is the leading coefficient?

Accepted Answer

-5

Answer

3

Answer

7

Answer

10

Question 4

What is the end behavior of a polynomial function with an even degree and a positive leading coefficient?

Accepted Answer

Rises to the left, rises to the right

Answer

Rises to the left, falls to the right

Answer

Falls to the left, rises to the right

Answer

Falls to the left, falls to the right

Question 5

What is the domain of the rational function f(x) = 1/(x-3)?

Accepted Answer

x ≠ 3

Answer

x ≠ 1

Answer

x ≠ -3

Answer

All real numbers

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