Which statements are true of functions? Check all that apply.

All functions have a dependent variable.
All functions have an independent variable.
The range of a function includes its domain.
A vertical line is an example of a functional relationship.
A horizontal line is an example of a functional relationship.
Each output value of a function can correspond to only one input value.

2 answers

  1. yes
    yes
    no. consider y = 1/x^2
    no - it fails the vertical line test
    yes
    no. consider y = 1/x^2

  2. 1.All functions have a dependent variable.
    2. All functions have an independent variable.
    3.A horizontal line is an example of a functional relationship.

Answer this Question

Still need help?

You can ask a new question or browse existing questions.