Question

Hal, Zelda, Maya, and Jason each recorded the height and age of five classmates. They used the data to create the tables below.

Hal: Age 15, 14, 16, 12, 13 Height (inches) 60, 61, 62, 63, 64

Zelda: Age 12, 14, 16, 14, 12 Height (inches) 60, 61, 62, 63, 64

Maya: Age 12, 12, 12, 12, 12 Height (inches) 56, 62, 64, 58, 67

Jason: Age 12, 13, 12, 14, 15 Height (inches) 50, 54, 57, 60, 68

In which student’s data can height be considered a function of age?

Hal

Zelda

Maya

Jason

Answer 1

Hal

Explanation:

Hal is right because every x value is paired with exactly on y value

Answer 2

Hal because his ages and heights are all different and in a function the x values have to have exactly one y value.

Hope this helps :)