A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, is given by . h(t)=-16t^2+56t+30 1. How high is the building? Explain how you know this.
2.How many seconds does it take to reach maximum height?
3What is the maximum height?

A(t)=728(1+0.04)^t how much money did aditya originally invest

According to the 2008 u. s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

How is working backward similar to solving an equation?