### Bite Size Practice Additional Mathematics #21 (Integration)

Another set of work from St Margaret's 2020 Prelim Questions with Answers for Integration with Differentiation to find decreasing functions in it. This Integration/Differentiation question is an Add Math question that requires a little bit of finesse. It launches into a direct integration question where you have to know what to do to integrate that given equation. After that part, you are required to continue getting the C (constant) of the equation by the

### Bite Size Practice Additional Mathematics #20 (Indices Application of Exponentials)

Another set of Questions with Answers for Indices with Differentiation in it. This A Math question is an application question about radioactive substances and has a decay rate. We can find the time for half mass and rates of change using the techniques taught here. Using differentiation, we can solve sums ob how fast the substance decreases at a particular time. First thing is to have all the information written down, then like a