Question

1.Which best describes a linear function?

(a) Building a tower of blocks, Collin starts with 25 blocks on the first level, 16 on the second level, and
9 on the third level. The function represents the relationship between the number of blocks on each
level after x levels.

(b) On a summer day, the temperature outside increases 3 degrees Fahrenheit per hour after 6 AM.
The function represents the relationship between the
temperature outside after x hours after 6 AM.

(c) Patty's company makes gift boxes in the shape of cubes. As the size of the gift box changes, the
length of each side increases by 6 inches. The function represents the relationship between the volume
of
each gift box after x increases in side length.
Xo

(d) The water in an outdoor pool is evaporating. Each day, only 95% of the water from the day before
remains. The function represents the relationship between the amount of water in the pool after x days.
()

Answer 1

those whose graph is a straight line. A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.