1.4 HW - Polynomial Functions and Rates of Change

Determine if the function graphed has a maximum or a minimum value and identify that value.

• maximum at -1 where x=4

• minimum at -1 where x=4

• maximum at 4 where x=-1

• minimum at 4 where x=-1

Tags

CCSS.HSF-IF.C.7A

Does
y = -4x²
have a maximum or minimum value?

• maximum, the graph will open down

• minimum, the graph will open up

• maximum, the graph will open up

• minimum, the graph will open down

Tags

CCSS.HSF-IF.C.7A

Does the equation have a max or min?
y = 2x² + 7x + 5

• maximum, the graph will open down

• minimum, the graph will open up

• maximum, the graph will open up

• minimum, the graph will open down

What is the minimum value of the quadratic function?

• -3, where x=-1

• -1, where x=-3

• All real numbers

• 1, where x=-3

Tags

CCSS.HSF-IF.C.7A

What is the absolute maximum (y-value only)?

• -5

• 2

• 0

• 5

What is the global maximum?

• 5, where x=3

• 4, where x=-1

• -5, where x=-7

• 3, where x=5

What is the absolute minimum (y-values only)?

• 0

• -5

• -3

• -1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

there is an absolute maximum at

• (4,5)

• (4,8)

• (-1,2)

• (2,-6)

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

What are the solutions?

• (-1,0)

• (3,0)

• (-1,0) and (3,0)

• (0,-1) and (0,3)