Write an expression in completely factored form for the area of the shaded figure.
A. x2 + 8xy + 16y2
B. 4(x + y)2
C. x2 + 4xy + 16y2
D. (x + 4y)2
Answer: D
Mathematics
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A can has a volume of 25 cubic inches. We can calculate both the height h, in inches, and the surface area S, in square inches, from the radius r, in inches, of the can:
?
A: Find the radius of the can of minimum surface area.B: What is the height of the can of minimum surface area?C: What is the minimum surface area?
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(Round your answers to two decimal places.)
What will be an ideal response?
Mathematics
Find the point of the curve at which the curvature is at a maximum.y = x2 - 6x
A. (-9, 3) B. (3, -9) C. (-3, 9) D. (9, -3)
Mathematics
Evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Find the quotient.(x2 + 2x - 63) ÷ (x + 9)
A. x - 7 B. x + 7 C. x2 - 7 D. x2 + 3x - 54
Mathematics