Nancy is saving $2 from her allowance every week. marco is saving $1 the first week, $2 the second week, $3 the third week, and so on. at the end of ten weeks, who will have saved more money ? how much more ?

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