Natalie and Kaiden baked a strawberry cake in their culinary arts class. They baked the cake in a rectangular pan with dimensions 4 inches×6 inches . Natalie and Kaiden decide to share the cake evenly by cutting in half along the diagonal from one corner of the pan to the other.

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).

except if the answer is in the value of money, then, it will matter. it will have to be $0.40, but i can tell this is not a money question, so .4 should be the right one.