Find the absolute maxima and minima of the function on the given domain.  on the closed triangular region with vertices      and  

A. Absolute maximum: 4 at    absolute minimum: 3 at  
B. Absolute maximum: 3 at    absolute minimum: 0 at  
C. Absolute maximum: 7 at    absolute minimum: 3 at  
D. Absolute maximum: 4 at    absolute minimum: 0 at  


Answer: D

Mathematics

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The length l, width w and height h of a box change with time. At a certain instant the dimensions are l = 3 and w = h = 4, and l and w are increasing at a rate of 10 m/s while decreasing at a rate of 1 m/s. At that instant find the rates at which the surface area is changing.

What will be an ideal response?

Mathematics

Solve.An earthquake had an intensity  times more powerful than a reference level earthquake, or  What was the magnitude of this earthquake on the Richter scale?  The magnitude on the Richter scale of an earthquake of intensity I is 

A. 10.8 B. 5.3 C. 4.7 D. 14.7

Mathematics

Factor completely. If the polynomial cannot be factored, write "prime."8x2 - 8

A. (8x - 1)(x + 8) B. 8(x - 1)(x + 1) C. 8(x + 1)2 D. (8x - 8)(x + 1)

Mathematics