What is the y-intercept of this quadratic function f(x) = x2 + 2x + 3

kk.bj.

step-by-step explanation:

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what is the original number? you forgot to add it.

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).

not me

step-by-step explanation:

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