Which of the following is an irrational number?
4+ 3x
25pie + 2
2.5+ 5/2
6 + 5i

What is the value of f(x) = 2.2 for f(-2)?

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3