A botanist collected data on the growth of sunflowers to maturity. She modeled the equation y = x + 1 2 for the line of best fit. The independent variable, x, is time in weeks and the dependent variable, y, is height in feet. What does the slope mean in this context?
A) The sunflower's starting height is 1 foot.
B) The sunflower's starting height is 1 2 feet.
C) The sunflower's height increases by an additional 1 foot each week.
D) The sunflower's height increases by an additional 1 2 foot each week.
The answer is C