Solve the problem.A rain gutter is made from sheets of aluminum that are 18 inches wide by turning up the edges to form right angles. Determine the depth of the gutter that will maximize its cross-sectional area and allow the greatest amount of water to flow.
A. 5 in.
B. 4 in.
C. 5.5 in.
D. 4.5 in.
Answer: D
Mathematics
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Find the domain and graph the function.F(x) = 
A. D: (-?, ?)
B. D: (-?, 0]
C. D: [0, ?)
D. D: (-?, 0)
Mathematics
Multiply.-(-54)
A. -54 B. 54 C. 0 D. -1
Mathematics
Graph the function by starting with a function from the library of functions and then using the techniques of shifting, compressing, stretching, and/or reflecting.h(x) = - 4(x + 4)2 + 2
A. 
B. 
C. 
D. 
Mathematics
Maximize 
subject to the given constraints.
?
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics