Question

Which statement is true about the equations x = 1 and y = 3x +4?

•Only x=1 is a function.

•Only y = 3x + 4 is a function.

•Both equations are functions.

•Neither equation is a function.

Answer 1

Answer: only y=3x+4 is a function

Explanation:

vertical line test. basically a function has to have one output (y) for every input (x)