Solve the following. a. Radio wave W(x)=x³-7x+6
b. Microwave W(x)=x³-5x²+3x-10
c. Infrared W(x)=0.2x²-0.3x-0.2
show the solution.
1. how did you find the wavelenght of the radio wave? microwave?
2. What is your observation as the wavelenght travels from the radio wave to infrared?