From the graph, we can also see that the y-intercept is 6, therefore we can say that the equation of the straight line is \ (y = mx + 6\). Now we need to find the gradient.

For example, in the right hand graph of Figure 2 is a population of Paramecium growing in a laboratory culture. The pattern of growth is very close to the pattern of the exponential equation.

GCSE WJEC Equations of curves - Intermediate & Higher tier – WJEC Exponential graphs - Higher only Quadratic, cubic and exponential graphs are three different types of curved graphs. We can use ...