Timothy stated that the sum of 0.9 + (-9/10) was 18/20. What mistake(s) did Timothy make?
What is the sum of 0.9 + (-9/10)?

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