Absolute Value and Exponential

What is the equation of the graph below?

• f(x) = I x + 2 I 

• f(x) = I x + 2 I +2

• f(x) = I x - 2 I +2

• f(x) = I x - 2 I 

What is the equation that best represents the graph?

• y=2^y

• y=2^x

• y=2^-x

• y=x²

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth

• Exponential Decay

• Linear

• None

Given the table, what is the axis of symmetry?

• x = 2

• y = 8.75

• x = 3

• y = 6.75

What is the vertex of the absolute value function? f(x) = 3|x + 2| - 5 (put no spaces in your answer)

What is the vertex of the absolute value equation: y = 4|x - 5| + 9 (put no spaces in your answer)

What is the vertex of the absolute value equation y = |x - 3| + 2 (put no spaces in your answer)

• True

• False

• True

• False

A population of bacteria can be modeled by the function f(t) = 400(1/25)^t, where t is time in hours. The function f(t) is _________ function

• a linear

• an exponential

• a quadratic

• an absolute value

• growth