If f(x)=3×+4 and g(x)=-×+1 what is f(g(2))
f: 1
g: 2
h: -1
j: -2

Acircle has a circumference of 28.36 units what is the diameter of the circle

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

What is the period of the sinusoidal function ?