6 9 12 15 __
Answer:____________
12). What is next:3 6 12 24 __
Answer:____________
13). What is next:1 3 6 10 __
Answer:____________
14). If g(x) = 2x + 3, what is g(4)?Answer:____________
15). If r(x) = 5x - 15, what is r(2)?Answer:____________
16). If f(x) = x+5 and g(x) = 6x, what is f(g(3))?Answer:____________