Identify each expression that is a factor of this polynomial: 5i2-15i+10  the 2 is an exponent

answer choices

(i-2)
(5+15i)
5
(i+2)
(i-1)
(i+1)

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