Functions, correlation, rate of change

Calculate the average rate of change from 20 to 40 minutes.

• -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

What is  $f\left(0\right)$   for the function $f\left(x\right)=2x+3$  

• 2x

• -3

• 3

• 10

Tags

CCSS.HSF.IF.A.2

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

 $Given\ h\left(x\right)=3x^2-2x+8\ what\ is\ h\left(0\right)?$  

• 13

• 8

• 16

• answer not here

Tags

CCSS.HSF.IF.A.2

Evaluate f(2).

• f(2) = 5

• f(2) = 12

• f(2) = 10

• f(2) = 0.5

Tags

CCSS.HSF.IF.A.2

Describe the correlation, if the correlation coefficient is r = -0.26

• Positive, weak

• Negative, weak

• Positive, strong

• Negative, strong

Tags

CCSS.HSF-LE.A.1B

Evaluate f(6).

• f(6) = 18

• f(6) = 12

• f(6) = 10

• f(6) = 1

Tags

CCSS.HSF.IF.A.2

$f\left(x\right)=5x-12$ What is $f\left(-4\right)$

• -32

• -3

• -12

• 3

Tags

CCSS.HSF.IF.A.2

Evaluate f(3).

• f(3) = 0

• f(3) = -2

• f(3) = 3

• f(3) = 4

Tags

CCSS.HSF.IF.A.2

What type of correlation (association)?

The outside temperature and the amount of layers you wear.

• A) Positive correlation

• B) Negative correlation

• D) No correlation

Tags

CCSS.HSF-LE.A.1B