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?
Select one:
a. The original height of the plant was four mm.
b. The original height of the plant was two mm.
c. The height of the plant increases by two mm for every hour of sunlight it receives.
d. The height of the plant increases by four mm for every hour of sunlight it receives.

Question

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?
Select one:
a. The original height of the plant was four mm. 
b. The original height of the plant was two mm. 
c. The height of the plant increases by two mm for every hour of sunlight it receives. 
d. The height of the plant increases by four mm for every hour of sunlight it receives.

undeadknight26 · Answer

the original height.  y = mx + b
m is the slope B is the y.
hope i helped!

undeadknight26 · Answer

2x would be mx and 4 would be the b or y.

anonymous · Answer

Thanks(: