Solve the questions below. This is grade 12 functions so no calculas allowed.

11. Write the equation of a cosine function that has the given characteristics. a) Amplitude 5 Period 47 Phase shift ~ rad to the left b) Amplitude 4 Period 47 Phase shift or rad to the right Vertical translation three units down 12. A sine function has a maximum value of 11, a minimum value of -1, a phase shift of - rad to the left, and a period of 7. a) Write an equation for the function. b) Graph the function and verify that it has the properties given. 5.3 Sinusoidal Functions of the Form and