Please help with this question Thank you:)

Ill mark the brainliest if you me with the these three questions 7,8,9

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17