Can anybody help me with the explanation

Mathematics

1 answer:

Delvig [45]2 years ago

3 0

Answer:

see explanation

Step-by-step explanation:

$f(3)$ means the y-coordinate of the point $(3, y)$ that lies on $f(x)$ .

Aha! Now we have a path to the solution!

We can test random values for $y$ , such as $(3, 1)$ , $(3, 2)$ , or even $(3, 1000)$ .

This leads us to drawing lines.

Answer: We draw the line $x=3$ (equivalent of testing out random points), and where it intersects the graph of $f(x)$ ! is our answer!

(Note: it can only intersect once, otherwise it would fail the vertical line test and wouldn't be a function)

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