Which of the following best describes a function? Select all that apply.

the graphed line overlaps itself

every input has exactly one output

the graph of the relation passes the vertical line test

the graph of the relation is a straight line

1. Which equation represents the axis of symmetry of the function y = - 2x² + 4x - 6? y = 1 x = 1 x = 3 x = - 3 2. What are the coordinates of the vertex of the graph of the function y = - x² + 6x - 11? (3, - 2) (3, 16) (-3, - 29) (-3, - 20) 3.

Which expression is equivalent? - 4 (5x + 2)

Which expression shows the increase in average temperature, t, from February to March? A 27 - t = 37 B 27 + t = 37 C 27t = 37 D 37 : t = 27

How do you reduce the fraction of 600 out of 25

A flagpole casts a shadow 10 ft long. if a man 6 ft tall casts a shadow 4ft long at the same time of day, how tall is the flagpole?

3. Square the following numbers. a. 4 b. 6 C. 13 d. 10

Is 25 a perfect cube

Is 3 to the negative 1 power times 3 to the negative 1 power equal to 3 to the 1 power?

Claire's mother is 4 years more than twice Claire's age. The sum of their ages is 58 years. Claire's age is years, and her mother's age is years

How is a thermometer like a number line?