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Math
Algebra 1
Linear Equations and Functions
Functions and Relations
What Is the Domain of a Function?

Practice problem

What Is the Domain of a Function?

By BBen Ferrara

+5 contributors

Contributors

Ben Ferrara
Victor Wang
Moor Xu
Victor Wang
Alex Federspiel
Trisha

Graph of y = x - 4 with a hole at (4,0).

What is the domain of the function graphed above?

Choose one answer

Option A: A

All reals

Option B: B

All nonzero reals

Option C: C

All reals where $x\ne 4$

Option D: D

$x=4$

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