Grapher

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1. Type in y=x What do you see? _

__ 2. List three coordinate points (x, y) on your graph. ___

__ 3. y can be written as f(x). It means, a function which depends on x. Find y when x = 4. _____ Zoom in if you need to. Find y when x = 0__ When x = 0 the function crosses the y axis and is the y intercept. When y = 0 the function crosses the x axis and is the x intercept. What is the x intercept?

__ 4. Try y = 2x What do you see? _____ Sketch it.__

__ 5. List three coordinate points (x, y) on your graph. ___

__ 6. y can be written as f(x). It means, a function which depends on x. Find y when x = 4. _____ Zoom in if you need to. This can be written as f(4) = __

7. Graph y= 1/x What do you see? _ Is it linear? Sketch it.

8. List three coordinate points (x, y) on your graph. _____

9. y can be written as f(x). It means, a function which depends on x. Find y when x = 4.

Find f(4).

10. Graph y= x^3 This is y = x cubed. What do you see? ___ Sketch it. Is it a line or a curve? _______

11. Find y when x = 2 _ Find f(2)

__ 12. Write and graph your own equation. __Sketch it.

What shape is it? __Is it linear?

Find y when x = 0 ___ Find f(0)__ _