Support your confidence in this topic by refreshing your knowledge of substitution and changing the subject of formulae. A function takes an input value, applies a rule to it, and produces an output ...

Functions is an important concept in mathematics to grasp. These sites, blogs and videos do an excellent job of explaining it visually and offer all these videos and more resources for free. Hope this ...

Light-dependent resistor (LDR) The resistance changes as the light level changes, and the change in resistance can be used as an input Solar garden lights and street lighting Thermistor The resistance ...