Use the diagram below to find the value of each variable. If your answer is not an integer, express it in the simplest radical form.

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).

i am not sure :

step-by-step explanation:

its totaly b

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