Q: Is the equation x equals 7 a function?

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1 x 49, 7 x 7

3

An equation where x = 3

You can tell if an equation is a function if for any x value that you put into the function, you get only one y value. The equation you asked about is the equation of a line. It is a function.

A lot of answers... for example, 49 divided 7 equals 7.

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Yes.

No, that is a equation.

x/7 = 14 x = 98

1 x 49, 7 x 7

y - |x| is an expression, not a function.

3

Yes it is a function. In standard form it is y=x-4.

Yes, none of the X values repeat, therefore it is a function. X=0 is not a function though.

No. It is an equation. A function would link the variable x to another variable - possibly denoted by y. It is a relationship between two (or more) variables.

x/35 = 7 x = 7 * 35 x = 245

It is an equation and the value of x is 7

It is an equation and the value of x is 91