-4 5/1 as a simplified fraction?

Ineed no it anyone can see this

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.