A rectangular box with a square base is to be formed from a square piece of metal with 30-inch sides. If a square piece with side x is cut from each corner of the metal and the sides are folded up to form an open box, the volume of the box is 
. What value of x will maximize the volume of the box?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
You might also like to view...
Yalom (2005b) advocates a nontraditional view of __________ in terms of increasing the effectiveness of counselors and group leaders:
A) Continuing education B) Research C) Theories D) Clinical training
Mathematics
Provide an appropriate response.For the linear function f(x) = -5x + 5, find: (a) the slope and (b) the vertical axis intercept. (c) Sketch the graph of f.
What will be an ideal response?
Mathematics
Find the indicated angle.Find the supplement of 131°.
A. 229° B. 49° C. 139° D. not possible
Mathematics
Use the Gauss-Jordan method to solve the system of equations. 2x - 2y = -8 6x - 6y = 3
A. 
B. (-8, 3)
C. (3, 3)
D. No solution
Mathematics