Question

Write a function rule for the are of a rectangular picture frame that has a width of 22 in. less than its length. Use the function rule to find the area of the picture frame when the length is 39 in.

Answer 1

$W=L-22\\A=L(L-22)\\L=39\space in\\A=L(L-22)=39(39-22)=39\times17=663\space in^2$