Math I/Math IB - Warm-up 5/21/18

The table shows five used car prices for a luxury sedan taken from used car dealerships in North Carolina.  Based on the line of best fit for the data, which price might you expect for the model sedan if it were 54 months old?

• $10,450
• $14,545
• $16,537
• $18,600

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Lava coming from the eruption of a volcano follows a parabolic path.  The height h in feet of a piece of lava t seconds after it is ejected from the volcano is given by h(t) = -t² + 16t + 936.  After about how many seconds does the lava reach its maximum height?

• 12
• 20
• 8
• 5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

If the endpoints of the diameter of a circle are (–4, 4) and (2, –2), what are the coordinates of the center of the circle?

• (-1 , 1)
• (1 , -1)
• (-3 , 3)
• (3 , -3)

Tags

CCSS.HSG.GPE.B.6

Why does the data in the table NOT represent a function?

• A function cannot have fractions in its domain.
• The domain element 1 has two different range elements.
• Two different domain elements have the same range, 4.
• It does represent a function.

Tags

CCSS.8.F.A.1