TEKS.MATH.9-12.VII.B

A parabola is upside-down when a is:

• negative
• positive
• 0
• infinite

Tags

TEKS.MATH.9-12.VII.B

Logarithmic functions are the inverse of...

• Linear Functions
• Exponential Functions 
• Quadratic Functions 
• Polynomial Functions 

Tags

TEKS.MATH.9-12.VII.B

15.  What is the amplitude and period of the function: y= 2/5sin9x

• Amplitude: 2/5 Period: 2π/9
• Amplitude: 2/5 Period: π/6
• Amplitude: 5/2 Period: 2π/9
• Amplitude: 5/2 Period: π/6

Tags

TEKS.MATH.9-12.VII.B

Given that f(x) = 3x + 5 and g(x) = 1/3x + 5, find f(g(x)).  Are the two functions inverses of each other?

• x + 20 ; Yes they are inverses
• x + 20 ; No, they are not inverses
• x ; Yes they are inverses
• x ; No, they are not inverses

Tags

TEKS.MATH.9-12.VII.B

What is the vertex of the following equation
y = 2(x − 3)² + 4

• (3, 4)
• ( −3, 4)
• (2, 4)
• (3, 2)

Tags

TEKS.MATH.9-12.VII.B

What is the amplitude of this function?

• 2
• 2π
• -2
• 1

Tags

TEKS.MATH.9-12.VII.B

Find the domain and range of the function
Hint:  Use a scratch graph to help you visualize things. 

• Domain: (-∞, ∞)  Range: [-∞, 4]
• Domain: [1, ∞)  Range: (-∞, 4]
• Domain: [-1. ∞) Range: [4, ∞) 
• Domain: [4, ∞) Range: [-1,∞) 

Tags

TEKS.MATH.9-12.VII.A

TEKS.MATH.9-12.VII.B

The vertical stretch of the graph; distance between the midline and the max/min.

• Period
• Cycle
• Axis of Oscillation
• Amplitude

Tags

TEKS.MATH.9-12.VII.B

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

Tags

TEKS.MATH.9-12.VII.B

What is the inverse quadratic function?

• f^-1(x) = x²

• f^-1(x) = ±√x

• f^-1(x) = -x²

• It doesn't have an inverse.

Tags

TEKS.MATH.9-12.VII.B