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if you have a negative and you subtract that from a negative what happenes?

-4--3

Math it's appreciated. (picture provided)

What is the sum of the first 8 terms of the geometric series

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