Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope
positive or negative. If quadratic, decide whether the leading coefficient a of x 2 should be positive or negative.
-The amount of water in a pool as it is being filled, as a function of time.
A) quadratic; negative
B) quadratic; positive
C) linear; negative
D) linear; positive

Question

Quizplus · Accepted Answer

The amount of water in a pool being filled over time typically increases at a constant rate, indicating a linear model with a positive slope.

Tell Whether a Linear Model or a Quadratic Model Is