Multiply.(3 + u + v)4
A. 12 + 4u + 4v
B. 12 + 3u + 3v
C. 3 + u + 4v
D. 12 + u + v
Answer: A
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An electric charge is spread over a rectangular region R = { (x, y) | 0 ? x ? 3, 0 ? y ? 4}. Find the total charge on R if the charge density at a point (x, y) in R (measured in coulombs per square meter) is ?(x, y) = x² + 4y³.
Select the correct answer. a. 804 coulombs b. 91 coulombs c. 300 coulombs d. 265 coulombs
List all the natural number factors of the number.130
A. 1, 2, 5, 10, 13, 26, 130 B. 1, 2, 4, 5, 10, 13, 26, 65, 130 C. 2, 5, 10, 13, 65, 130 D. 1, 2, 5, 10, 13, 26, 65, 130
Find the exact value of the composition.arccos 
A. 0
B. ?
C. 
D. 
Write an equation for a function whose graph fits the given description.The graph of f(x) = 
is vertically stretched by a factor of 7, and the resulting graph is reflected across the x-axis.
A. y = -7
B. y = -
C. y = -7
D. y = 7