Function Fun

Which of the following is a function?

• A relation where each input has multiple outputs

• A relation where each input has exactly one output

• A relation where each output has multiple inputs

• A relation where each output has exactly one input

• 5

• 8

• 11

• 13

Which of the following represents a linear function?

• 0

• 4

• 8

• 12

Which of the following is the graph of a quadratic function?

• A straight line

• A parabola

• A hyperbola

• A circle

• All real numbers

• All real numbers except 0

• All positive real numbers

• All negative real numbers

Which of the following is a characteristic of an exponential function?

• It has a constant rate of change

• It has a variable rate of change

• It is always increasing

• It is always decreasing

• All real numbers

• All positive real numbers

• All non-negative real numbers

• All negative real numbers