7. given f : a + b and g: b â c, is it true that if go f is surjective, then f is surjective? prove this or provide a counterexample. [6 marks]

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

If the value of cos330°is√3/2 then find cos 165°.

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?