Question

find the value of $f(8)$.
$y = f(x)$
answer attempt 1 out of 2
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Explanation:

Step1: Locate x=8 on x-axis

Find the point where $x=8$ on the horizontal axis.

Step2: Find corresponding y-value

Move vertically from $x=8$ to the parabola, then horizontally to the y-axis. The y-value at this point is $-8$.

Answer:

$-8$