Solve 2y-7.5y

$$2 y - 7.5 y$$

Differentiate w.r.t. y

$$-5.5$$

Steps Using Definition of a Derivative

Combine 2y and -7.5y to get -5.5y.

$$\frac{\mathrm{d}}{\mathrm{d}y}(-5.5y)$$

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

$$-5.5y^{1-1}$$

Subtract 1 from 1.

$$-5.5y^{0}$$

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

$$-5.5$$

Evaluate

$$-\frac{11y}{2}$$

Solution Steps

Combine 2y and -7.5y to get -5.5y.

$$-5.5y$$