Identify the type of function represented by f(x)=4. )•(1/3)^x A. Increasing linear
B. Exponential growth
C. Decreasing linear
D. Exponential decay

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad