The expression on the left side of an equation is shown below. 3 x + 9 = box

If the equation has no solution, which expression can be written in the box on the other side of the equation?
–9
–3
3 x
3 x + 9

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1