1. Given that f (x) = 3x - 4. Determine the value of x when f (x) = 12. 2. In no more than three sentences, state whether infinity is a number or a concept. 3. Examine the following graph, then: +HHHH -10 -9 -7 -5 3 2 1 0 +1 42 +3 14 45 18 47 48 49 .10 i. Write its inequality ii. Write its interval notation. 4. Given the inequality x