Imagine creating an opentopped box from an 85 inch by 11 inc

Imagine creating an open-topped box from an 8.5 inch by 11 inch piece of paper by cutting out square corners and folding up the sides. If x is the length of the side square cutout in inches and V is the volume of the resulting box in cubic inches, Which of the following is the same as “f (5)”?

A) 5(8.5-10)(11-10)

B) f(5) is undefined

C) f times 5

D) All of the above

E) -7.5

Solution

Solution: Since the function f(x) is not defined.

Thus we can not say anything about the value of the function f(5).

Hence option (C) is correct i.e f(5) is undefined. Ans.