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When sending a letter, Bobby pays a fixed amount for letters weighing up to an ounce. He then pays a smaller, fixed amount for each additional ounce (or part of an ounce). The cost of sending the letter in cents is modeled by the function y = 30 + 20(x - 1), where x is the weight of the letter in ounces. What does the number 20 describe?

Sagot :

A function assigns the values. The number 20 describes the cost that Bobby needs to pay for each extra ounce of letters.

What is a Function?

A function assigns the value of each element of one set to the other specific element of another set.

In the given function y = 30 + 20(x - 1), the number 20 describes the cost that Bobby needs to pay for each extra ounce of letters.

Learn more about Function:

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