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Algebra 2 Functions Review

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Algebra 2 Functions Review

Functions and graphs illustration

📚 Part 1: Function Types (Questions 1-5)

1. What type of function is f(x) = 3x + 7?

Linear

Quadratic

Exponential

Absolute value

2. What type of function is f(x) = x² - 4?

Linear

Quadratic

Exponential

Absolute value

3. What type of function is f(x) = 2ˣ?

Linear

Quadratic

Exponential

Absolute value

4. What type of function is f(x) = |x - 2|?

Linear

Quadratic

Exponential

Absolute value

5. What type of function is f(x) = -2x + 5?

Linear

Quadratic

Exponential

Absolute value

🎯 Part 2: Inequalities & Rate of Change (Questions 6-10)

6. Which point is a solution to y > 2x + 1?

(0, 0)

(1, 4)

(2, 5)

(-1, -2)

7. Which point is a solution to y ≤ x - 3?

(0, 0)

(4, 1)

(2, 2)

(1, 1)

8. Find the average rate of change for f(x) = 3x from x = 1 to x = 3.

2

3

6

9

9. Find the average rate of change for f(x) = x² from x = 2 to x = 4.

4

6

8

12

10. Which point is a solution to y < -x + 2?

(0, 3)

(1, 0)

(3, 0)

(-1, 3)

🔄 Part 3: Inverses & Transformations (Questions 11-15)

11. What is the inverse of f(x) = 2x + 4?

f⁻¹(x) = (x - 4)/2

f⁻¹(x) = (x + 4)/2

f⁻¹(x) = 2x - 4

f⁻¹(x) = x/2 + 4

12. What is the inverse of f(x) = x - 5?

f⁻¹(x) = x + 5

f⁻¹(x) = x - 5

f⁻¹(x) = 5 - x

f⁻¹(x) = -x + 5

13. If point (3, 2) is reflected over the x-axis, what is the new coordinate?

(3, -2)

(-3, 2)

(-3, -2)

(2, 3)

14. If point (4, 1) is translated 2 units left and 3 units up, what is the new coordinate?

(2, 4)

(6, 4)

(2, -2)

(6, -2)

15. If point (-1, 3) is reflected over the y-axis, what is the new coordinate?

(1, 3)

(-1, -3)

(1, -3)

(3, -1)

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