Absolute Value and Exponential Functions Review

Given the table, what is the vertex? (put no spaces in your answer)

Given the table, what is the y-intercept? (put no spaces in your answer)

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)

What is the vertex of the absolute value function? (put no spaces in your answer)

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

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

• Growth

• Decay

Given the function f(x) = 3(1 + 0.45)^x, is the domain all real numbers?

• True

• False