Could someone explain how this (c) was the correct answer? you

For table C, there is no x-value that has more than one y-value.

Step-by-step explanation:

A function must not have the same first coordinate which is the x-coordinate having more than y-values. So that it can pass the vertical line test.

For table A, we have .

Since there is at least an x-value having more than one y-value, it ceases to be a function.

For table B, we have .

Since there is at least an x-value having more than one y-value, it ceases to be a function.

For table C, there is no x-value that has more than one y-value.

For table D, we have and

Since there is at least an x-value having more than one y-value, it ceases to be a function.

the area of ​​the surface of the rectangular prism here is 250 cm2, which is the surface of the shading

step-by-step explanation: