### Home > APCALC > Chapter 4 > Lesson 4.2.1 > Problem 4-47

4-47.

Use the Power Rule to write an equation for given

*by first expanding*

*Then, write the equation of the line tangent to* .

*at*

*.*

Write the tangent line in point-slope form.

Which function, or

*, can be used to find the slope? Which can be used to find the point?*