What number replaces the ∆?

2 = 2
3 + 2 = ∆ + 2

a.
2

b.
3

c.
5

d.
7

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