HERES A FREE 100 POINTS​

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid