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Home > A2C > Chapter 6 > Lesson 6.1.1 > Problem 6-13


Gary has his function and Amy has her function .

  1. Each person is going to choose a whole number at random from the numbers , , , and substitute it into his or her respective function. After they do this, what is the probability that ?

    Notice that g(x) and a(m) are equivalent functions, what is the probability that Gary and Amy pick the same number?

    Assume Gary has chosen a number. How many chances does Amy have to pick the same number?
    Out of how many choices?

  2. Find and simplify an expression for .

    Remember the exponent rules.