ALEKS Pre-Calculus and Functions

Question 1

What is the vertex of the parabola y = (x - 3)² + 2?

Accepted Answer

(3, 2)

Answer

(-3, 2)

Answer

(3, -2)

Answer

(2, 3)

Question 2

What is the period of y = sin(2x)?

Accepted Answer

π

Answer

2π

Answer

π/2

Answer

4π

Question 3

What is log₂(32)?

Accepted Answer

5

Answer

4

Answer

6

Answer

3

Question 4

Find the inverse of f(x) = 3x - 6.

Accepted Answer

f⁻¹(x) = (x + 6)/3

Answer

f⁻¹(x) = (x - 6)/3

Answer

f⁻¹(x) = 3x + 6

Answer

f⁻¹(x) = x/3 - 6

Question 5

Which of the following is an exponential growth function?

Accepted Answer

y = 3(1.5)ˣ

Answer

y = 3(0.5)ˣ

Answer

y = 3x + 5

Answer

y = 3x²

Question 6

What are the zeros of f(x) = x² - 4x + 3?

Accepted Answer

x = 1 and x = 3

Answer

x = -1 and x = -3

Answer

x = 4 and x = 3

Answer

x = 1 and x = -3