CPM Homework Banner

Simply evaluate at x = 0.

You can multiply the top and bottom by the conjugate:

You might have noticed that this is Ana's definition of the derivative:

Rewrite the given limit as:

Deconstruct the definition:

Write the derivative equation:

Evaluate at x = 1:

a = 1

This is Hana's definition of the derivative.

a = 25

Find f '(x) and f '(25).

Refer to the hint in part (a).

Refer to the previous hints.