Solve the problem involving consecutive integers.Two pages that face each other in a book have 393 as the sum of their page numbers. What is the number of the page that comes first?
A. 197
B. 195
C. 194
D. 196
Answer: D
Mathematics
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Solve. Round to the nearest hundredth, if necessary.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 80 seconds are required to make a 5-by-4 enlargement, find the time required for a 7-by-9 enlargement.
A. 315 sec B. 378 sec C. 189 sec D. 252 sec
Mathematics
Write the polar equation in terms of x and y.r = 
A. 4x + y = 5 B. 4x + y = 25 C. x + 4y = 5 D. x + 4y = 25
Mathematics
Evaluate f''(c) at the point.f(x) = ln (4x - 3), c = 1
A. f''(1) = 4 B. f''(1) = -16 C. f''(1) = 1 D. f''(1) = 0
Mathematics
Based on the graph, find the range of y = f(x).
A. (-?, 0) or {0} or (0, ?) B. (-?, ?) C. (-10, 10) D. (-?, 0) or (0, ?)
Mathematics