3x/3x-1 + 2/x =1 this is the question

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Write the equation in logarithmic form m^x=n

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