(Help please) You have a job which pays double-time when working more than 40 hours for a week. Last week you worked 55 hours and earned $840. What is your regular pay rate?

What is the inverse of the function f(x) = 2x + 1?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

What is a possible solutions of the x> 3?