T2.1 Piecewise, Composition, Regression

A scatter plot and residual plot are the same thing: _____

Tags

CCSS.HSS.ID.B.6

Residuals are . . . 

• possible models not explored by the researcher
• variation in the response variable that is explained by the model
• the difference between the observed response and the values predicted by the model
• data collected from individuals that is not consistent with the rest of the group

Shown is a residual plot. How many positive residuals are there?

• 5

• 1

• 3

• 9

Tags

CCSS.HSS.ID.A.1

Which of these points appears to be an “Outlier?”

• A

• B

• C

• D

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.3

• This residual graph represents a linear fit.
• This graph represents a nonlinear fit.
• This residual graph represents no fit.

Tags

CCSS.HSF.IF.B.4

What is the proper domain?

• x≥0
• y≥0
• All real numbers
• {0, 1, 2, 3, 4,...}

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.5

What is the range of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

Tags

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.11

CCSS.HSF.IF.B.4

If f(x) = 5x and g(x) = 2x-1,

what is the composition f(g(x)) ?

• 10x-1

• 10x-5

• 5x²-1

• 5x²-5

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

g(x)=3x-2

h(x)=5x-7

Find the value of g∘h(6)

• 67

• 73

• 23

• 16

Tags

CCSS.HSF.IF.A.2

Find h(5) using the equation.

• -25

• 25

• 3

• 7

• undefined

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2