17 times 17 = 289 To find the area of a square you need to multiply length times width. This must mean that the length and width of the square is 17. Because 17 times 17 is 289.
If y=f(x) Domains are input or plug in value of x which we put in equation for a variable accordingly we get output or y's values which is called range. Here in the fig. clearly shown g(4)=5
