Inc, Dec, Min, & Max

What is the range of this quadratic function?

• All real numbers.
• [2, infinity)
• [4, infinity)
• (negative infinity, 4]

What is the interval of increase?

• (negative infinity, -2)
• (-2, infinity)
• (2, infinity)
• (negative infinity, 2)

Tags

CCSS.HSF-IF.C.7A

What is the interval of decrease?

• (negative infinity, -2)
• (-2, infinity)
• (2, infinity)
• (negative infinity, 2)

Tags

CCSS.HSF-IF.C.7A

What are the local maxima of this graph?

• local maximum at (2.2, 3.9)
• local maximum at (-8, 5)
• local maximum at (5, -8)⋃(3.9, 2.2)
• local maximum at (-8, 5)⋃(2.2, 3.9)

When is this function increasing?

• −2.5 < x < 2.5
• 0 < x < 5
• 0 < x < 55
• −5 < x < 0

Tags

CCSS.HSF-IF.C.7A

List the types of intervals that the graph demonstrates in order.

• decreasing, constant, increasing, constant
• increasing, decreasing, constant
• increasing, constant, increasing, constant
• increasing, constant, decreasing, constant

Tags

CCSS.HSF.IF.B.4

Where is the function increasing?

• x ≤ 1
• x ≥ 1
• y ≤ −4
• y ≥ −4

Tags

CCSS.HSF-IF.C.7A

Where is the function increasing?

• [4, ∞)
• [−4, ∞)
• [6, ∞)
• 4 < x < 6

Tags

CCSS.HSF-IF.C.7A

Where is the decreasing?

• ( −∞, −2.55) U (0, 2.55)
• (∞, −6.25) U (36, −6.25)
• (−∞, ∞)
• (−∞, 0)

Where is the function increasing?

• x ≥ −1

• x ≤ −1

• x ≥ 3

• x ≤ 3