Question

11) An open box is made from a square of
cardboard of 30 cmside, by cutting squares
of length x centimeters from each corner and
folding the sides up. Express the volume
of the box as a function of x. Also find its
domain.​

Answer 1

Answer:

domain =(0,15)

Step-by-step explanation:

Length of the box = 30-2x

breath of the box =30-2x

height of the box =x

Volume= (30-2x)²x, x<15, x≠15, x>0 = 4x(15-x²),x≠15, x>0

domain= (0,15)