Use the formula “B+1/2(P)(l)”. B= base area. P= the perimeter of the base. And l = the slant hight.
To find volume use 1/3(B)(h)
h= the hight between bases.
-4x+9 is the correct answer
68
17/4= 4.25 for each ticket
4.25*16= $68
, and
is an decreasing function for
, so
. This means 1.556 is the best (and correct) choice.