Paul needs 40 pounds of 48% silver alloy to finish a collection of jewelry. how many pounds each of 45% silver alloy and 60% silver alloy should he melt together to obtain the alloy he needs

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