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what are the values of x? what do you call y

Sagot :

Answer:

-more ... The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value

-the ranges is the set of all values of y or output

it can be defined as a set of the second values in the ordered pairs..