Question

What is the value of the function at x = 2?
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Answer 1

Check the graph and observe where x = 2.

And check where it cuts across the line of the graph.

If you trace the graph carefully, when x = 2, y = -2

So the value of the function is -2.

I hope this helps.

Answer 2

-2

Explanation:

To evaluate a function when a graph of it is given, first you have to locate the point of your interest, in this case x = 2; then go up or down until you reach the line which represent the function, in this case the function is under the x-axis for x = 2, so you go down; after that you have to go left ot right to find the corresponding y-value, that is, the function value, here you have to go to left to find y = -2.