Module 1 Analyzing functions reviews

Over what interval is the graph increasing?

• -2 < x < -1

• -1 < x < 2

• x > 4

• -4 < x < -2

Which interval is decreasing? (2 answers)

• 0 < x < 2

• x > -2

• 4 < x < 6

• x > 8

What is the value of f(0)?

• -2
• 2
• 4
• 0

Tags

CCSS.HSF.IF.A.2

The distance d (measured in a number of feet) between Brianna and her house is modeled by the formula, d = t²+ 1 where t represents the number of seconds since Brianna started walking.
What is Brianna’s average speed for the time period where t = 2 to t = 7 ?

• 9
• 5
• -5
• -9

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

For what intervals of x is f(x) positive?

• x<-2 and x>2
• -2<x<2
• x≤-2 and x≥2
• x≥-4

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

For what intervals of x is f(x) negative?

• -2<x<2
• -2≤x≤2
• x<-2 and x>2
• x≤-4

Tags

CCSS.HSF-IF.C.7A

What is the range of f(x)?

• y≥-4
• all real numbers
• x≥-4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Where is the function decreasing?

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

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the range of the graph?

• [1, ∞)
• (1, ∞)
• (-∞, ∞)
• none of these

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Describe the transformations from

 $f\left(x\right)=x^2\ to\ f\left(x\right)=-\left(x-3\right)^2+4$  

• Vertical Reflection over X axis
  

• Horizontal Reflection over Y axis

• Right 3

• Left 3

• Up 4