Find if (x+2) is a factor or no using long division, synthetic division and
remainder theory

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?

Can someone me with this problem i don't understand i need

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction