Interpret Functions

Is this mapping a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1

given f(x) = x² + 2x, find f(a - 3)

• a² -4a +3

• a² + 2a -15

• a² + 8a + 3

• a² - 4a + 6

Tags

CCSS.HSF.IF.A.2

which is a function

• a

• b

• c

• d

Use the graph to test for symmetry.

• symmetric with respect to x-axis

• symmetric with respect to y-axis

• symmetric with respect to origin

• symmetric with respect to x-axis, y-axis and origin

Tags

CCSS.HSF.BF.B.3

• A.
• B.
• C.
• D.

Tags

CCSS.8.EE.B.5

The function below can be used to model the height (h, in feet) of a ball t-seconds after it is launched into the air. What is the height of the ball once 5 seconds have passed?

h(t) = -16t² + 75t + 80

• 55 feet

• 124 feet

• 375 feet

• 535 feet

Describe what kind of symmetry the graph appears to have.

• x-axis symmetry

• y-axis symmetry

• origin symmetry

• no symmetry

Tags

CCSS.HSF.BF.B.3

Use the graph of f to find the domain and range of the function.

• D = (−3, 3], R = [–3, 0]

• D = [−3, 3), R = [–3, 0]

• D = (−3, 3), R = [–3, 0]

• D = [−3, 3], R = [–3, 0]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the meaning of the y-intercept?

• The hamburger will cost $1.90 without any toppings.

• The hamburger will cost $1.40 without any toppings. 

• The cost of the hamburger is $1.90 with one topping

• The cost of the hamburger doesn't change no matter how many toppings there are.

Tags

CCSS.8.EE.B.5

What is the meaning of the slope?

• The cost to get into the fair is $5

• The total cost for the day will increase by $1.75 for every ride you go on.

• The cost to get into the fair is $1.75

• The total cost for the day will increase by $5 for every ride you go on. 

Tags

CCSS.HSF.LE.B.5