OPT 1 Readiness Quiz Topic 1 Quantities and Relationships

Select all the quadratic functions from the options below.

• f(x) = 3x + 2

• f(x) = x^2 + 4x + 4

• f(x) = 5^x

• f(x) = x^2 - 3x + 2

Which of the following is a constant function?

• g(x) = 7

• g(x) = 2x + 1

• g(x) = x^3

• g(x) = sqrt(x)

Which of the following best describes the given graph?

• is a function, is exponential, is discrete, is increasing

• is a function, is exponential, is continuous, is increasing

• is a function, is exponential, is continuous, is decreasing

• is a function, is a linear absolute value function, is continuous, is decreasing

What are the characteristics of the graph of y = 2/3? Select all that apply.

• It is a function.

• It is a line.

• It is decreasing.

• It is both increasing and decreasing.

Which statement about the function f(x) = -|x - 2| is true?

• It has an absolute minimum.

• It has an absolute maximum.

• It has both an absolute minimum and an absolute maximum.

• It has neither an absolute minimum nor an absolute maximum.

Grissom measures different sized cubes in a notebook. He knows there is a relationship between the volume of the cube and the length of its side. What is the independent quantity in the situation?

• surface area of the cube

• length of the side

• volume of the cube

• number of cubes Grissom measures.

Which equation represents a function? Select all that apply.

• y = 2^x + 1

• y = x^3 - 4

• x = 5

• y = |7x| - 3

Carlos rode his bike from his house to the park. He stayed at the park for a few hours. Then on his way back, Carlos stopped at his uncle's house. He stayed there for an hour. Then he rode back to his house. The graph shown represents this scenario. Identify the dependent quantity.

• name of the park

• type of bike

• time, in hours

• distance from Carlo's house, in miles

What is the classification of the function f(x) = x^2 + 3x + 2?

• absolute value function

• exponential function

• quadratic function

• linear function

Which graph represents a function? Select all that apply.

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