Question

how to do horizontal test​

Answer 1

Answer:

I don't know bro . I will study about it.

Answer 2

Step-by-step explanation:

The horizontal line test is a way to visually decide if each y value has one x-value. The vertical line test helps determine if each x value has one y-value.

Explanation:

Let's look at the graph: my image

(above)

I graphed several horizontal lines on the same coordinate plane to show that each line only crosses the function at one point. Therefore, this function is one-to-one. It is a function, and its inverse will also be a function.