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Plug in a value for one variable. Then it will give you the value for the other variable.

For example, the function rule is:

y = 2x + 3

Find the value of y for all whole number values of x from 5 to 7.

If x = 5, then y = 2*5+3 = 10 + 3 = 13

If x = 6, then y = 2*6+3 = 12 + 3 = 15

If x = 7, then y = 2*7+3 = 14 + 3 = 17

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Q: How do you solve a function rule?
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