HELP ME PLEASE ♡For the function f(x) = 4+3x/2x find f-'(x)

Sum is 17 and their difference is 3

Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour whats the slpoe

Azookeeper predicted the weight of a new baby elephant to be 233 pounds when it was born. the elephant actually weighed 265 pounds at birth. what was the percent error of the zookeeper's prediction? asap