This graph shows the balance over time. The starting value is £1000, and the decimal multiplier of 1·08 shows the growth of 8% each year: Exponential equations are of the form 𝑦 = 𝑎 × ...

She has a broad range of experience in research and writing, having covered subjects ... and demand for varying prices can be plotted on a graph as curves, and the intersection of these curves ...