The function below models the correlation between the number of hours a plant is kept in sunlight (x) and the height (y), in mm, to which it grows:

y = 4 + 2x

what does the y-intercept of this function represent?

the original height of the plant was 4 mm.
the original height of the plant was 2 mm.
the height of the plant increases by 2 mm for every hour of sunlight it receives.
the height of the plant increases by 4 mm for every hour of sunlight it receives.

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships