Answer:
70
Step-by-step explanation:
your height is 14, Given
Your surface area for the top face is 14
the way to make 14 from two factors is 7 and 2
therefore your height is 5 your width is 7 and your depth is 2
As x approaches 0, f(x)=2
First plug in f(x) and f(0) into the limit.
, simplify things a bit
, divide by x^2
, as x approaches 0, f(x)=2
-4
Check the picture below.