Asmall exhaust fan with diameter 10cm is to be fitted at the centre of a 12cm by 12cm square metal panel. accurately draw the diagonals to locate the centre of the square panel and the circle.

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date