Question

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On a coordinate plane, a parabola opens up. It goes through (negative 4.25, 10), has a vertex of (negative 0.5, negative 6.2), and goes through (3.25, 10). Solid circles appear on the parabola at (negative 4, 6), (negative 2, negative 4), (negative 1, negative 6), (0, negative 8), (1, negative 4), (2, 0), and (3, 6).

Find the indicated function values.




f(–4) =

f(0) =

f(1) =

Answer 1

f(–4) = 6

f(0) = -8

f(1) = -4

Explanation:

The solid points on the curve are in the form (x,y). The x is the input and the y is the output. The question part of your problem here is in the form

f(x) = ?

The number in the parenthesis is the x and they are asking for the y that goes with it. So, to answer these questions find the y that goes with the x.

"Solid circles appear on the parabola at (negative 4, 6),... (0, negative 8), (1, negative 4)..."

f(–4) = 6

f(0) = -8

f(1) = -4