The intensity $y\,$ of light from a source is modelled in terms of distance $x\,$ by $y=px^q$ . A plot of $log_{10}y$ against $log_{10}x$ is a straight line through $(1, 7)$ and $(4, 1)$ .

Find the equation of the straight line.

Hence find $p\,$ and $q$ .

The intensity $y\,$ of light from a source is modelled in terms of distance $x\,$ by $y=px^q$ . A plot of $log_{10}y$ against $log_{10}x$ is a straight line through $(1, 7)$ and $(4, 1)$ .

Find the equation of the straight line.

Hence find $p\,$ and $q$ .

2 Statistics

Question 41

Markscheme

2 Statistics

Question 41

Markscheme

2 Statistics

Question 41

2 Statistics Questions

2 Statistics

Question 41

2 Statistics Questions