Part 3 Algebra 2 Benchmark Review Q3

Determine the interval in which this function is INCREASING.

• (-4, ∞)
• (-3, ∞)
• (∞, -3)
• (-∞, -4)

Identify the increasing interval:

• (0, 4)

• (1, 0) U (1, 4)

• (-1, 1)

• (-∞, -1) U (1, ∞)

Identify the decreasing interval:

• (0, 4)

• (1, 0) U (1, 4)

• (-1, 1)

• (-∞, -1) U (1, ∞)

What are all the x-intercepts?

Note: x-intercepts also known as zeros, solution sets or roots

• (-2.55, 0), (2.55, 0)
• (-3,0), (-2,0), (2,0), (3,0)
• (0, 36)
• (-∞,∞)

What is the y-intercept of the graph?

• (-2,5)

• (1,0)

• (0,1)

• (-3.104, 0)

What is the DOMAIN?

• All Real Numbers

• {0, 1, 2, 3, 4,...}

What is the domain, in interval notation?

• [-4, 5]

• [-3. 4]

Identify the range of the function.

What is the range?

• [-6, 0]

If f(x) = 3/ (2x-5), then find the value of and f⁻¹(1)?

• 5
• 4
• -1
• -7