### All Algebra 1 Resources

## Example Questions

### Example Question #1 : How To Graph A Function

Which graph depicts a function?

### Example Question #1 : New Sat Math Calculator

The graph below is the graph of a piece-wise function in some interval. Identify, in interval notation, the decreasing interval.

**Possible Answers:**

**Correct answer:**

As is clear from the graph, in the interval between ( included) to , the is constant at and then from ( not included) to ( not included), the is a decreasing function.

### Example Question #2 : How To Graph A Function

Which equation best represents the following graph?

**Possible Answers:**

None of these

**Correct answer:**

We have the following answer choices.

The first equation is a cubic function, which produces a function similar to the graph. The second equation is quadratic and thus, a parabola. The graph does not look like a prabola, so the 2nd equation will be incorrect. The third equation describes a line, but the graph is not linear; the third equation is incorrect. The fourth equation is incorrect because it is an exponential, and the graph is not an exponential. So that leaves the first equation as the best possible choice.

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