Solve 10quadtext{(b)}8

$$10 \quad \text { (b) } 8$$

Differentiate w.r.t. b

$$80$$

Steps Using Definition of a Derivative

Multiply 10 and 8 to get 80.

$$\frac{\mathrm{d}}{\mathrm{d}b}(80b)$$

The derivative of ax^{n} is nax^{n-1}.

$$80b^{1-1}$$

Subtract 1 from 1.

$$80b^{0}$$

For any term t except 0, t^{0}=1.

$$80\times 1$$

For any term t, t\times 1=t and 1t=t.

$$80$$

Evaluate

$$80b$$

Solution Steps

Multiply 10 and 8 to get 80.

$$80b$$