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# Derivatives

# How Tangent Lines Look Exercises

### Example 1

Determine whether each line is tangent to *f* at *x* = *a*, a secant line, or both a tangent line and a secant line.

### Example 2

For the function *f* and point *a*, draw the tangent line to *f* at *a*:

### Example 3

For the function *f* and point *a*, draw the tangent line to *f* at *a*:

### Example 4

For the function *f* and point *a*, draw the tangent line to *f* at *a*:

### Example 5

Determine if each line is tangent to *f* at *a*.