Function and Rate of Change

What is the definition of rate of change?

• change in x / change in y

• change in y / change in x

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Find the rate of change between the points (-2 , 10) & (4 , 14)

• 2/3

• 3/2

• -2/3

• 2/1

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Find the rate of change.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Is it a function?

• It IS a function.

• It IS NOT a function

Is it a function?

• It IS a function.

• It IS NOT a function

Is this a function? 

• Yes, because every input has exactly one output

• No, because -1 has more than one output 

• No, because 3 is in the input and the output 

Tags

CCSS.8.F.A.1

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

Tags

CCSS.8.EE.B.5

Which statement describes the rate of change of the line?

• $20 each week

• $30 each week

• $25 each week

• $70 each week

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Mr. E has 25,000 hairs left on his head. Every day he loses 200 more hairs. Write an equation to find the number of hairs "y" Mr. E will have after "x" number of days.

• y = 200x - 25000

• y = 25000 - 200x

• y = 25000 x - 200

Tags

CCSS.6.EE.C.9

• 2x

• 5

• 3

• 10

Tags

CCSS.HSF.IF.A.2