Mia walked her dog 2 1/5 miles. Cathy walked her dog 1 3/4 times as far as Mia. How many more miles did Cathy walk her dog than Mia? How many miles together did they walk their dogs in all?

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