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The rule of the function, , is to assign to each number a number that is 4 greater than its value. Write down the expression for the function and calculate .
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Note: This problem has dynamic elements. This means elements such as numbers and consequently the step-by-step solution and the final answer may change overtime. Therefore, there may be a difference between a problem that is published online and the same problem exported into a PDF document.
The equation of the line is and .
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, is to assign to each number a number that is 4 greater than its value. Write down the expression for the function 
.
and 
.
