Could someone help me plz

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y ≤ –4x – 2 b: y > –4x – 2 c: y ≥ –4x – 2 d: y < 4x – 2