I need help with this problem, i am confused and don't know what to do.

Problems a through c are asking you what the values would be at those values.

What will the value of be at ? Let's look at the graph.

It seems at , , meaning that

Let's do the same for the others.

At ,

At ,

For the last question, it is giving us the value and asking us which values would give us that.

At , .

*Note* this function is continuous to the right, meaning that there is another point where .

Hope this helps.

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21/58.

hope to be marked brainliest

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