Compare 0.229 to one of these < > = to like the v and then line attached and under is 45

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?