Function P is y=x2 + 2.Function Q is y=1/2x + 2. identify each function as linear or nonlinear. State a reason why each function is linear or nonlinear?

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%