Solve 400x+280(x

$$400x+280(x$$

Differentiate w.r.t. x

$$680$$

Steps Using Definition of a Derivative

Combine 400x and 280x to get 680x.

$$\frac{\mathrm{d}}{\mathrm{d}x}(680x)$$

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

$$680x^{1-1}$$

Subtract 1 from 1.

$$680x^{0}$$

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

$$680\times 1$$

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

$$680$$

Evaluate

$$680x$$

Solution Steps

Combine 400x and 280x to get 680x.

$$680x$$