Find a general term an for the arithmetic sequence.a1 = 2, d = 4
A. an = 2(4)n-1
B. an = 2n - 4
C. an = n + 4
D. an = 4n - 2
Answer: D
Mathematics
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Find the natural domain of the function.f(x, y) = 
A. All points in the x-y plane B. All points in the x-y plane except x = 0 C. All points in the x-y plane except (0, 0) D. All points in the x-y plane except y = 0
Mathematics
Evaluate.log51
A. x = 5
B. x = 
C. x = 1
D. x = 0
Mathematics
Solve the equation.
+ 
= -1
A. {5}
B. ?
C. {0}
D. 
Mathematics
A gate in an irrigation canal is constructed in the form of a trapezoid 4 ft wide at the bottom, 8 ft wide at the top, and 2 ft high. It is placed vertically in the canal, with the water extending to its top. Find the hydrostatic force on one side of the gate.
a. 166 lb b. 21 lb c. 67lb d. 666 lb e. None of these
Mathematics