Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. xy
B. xy
C. xyz
D. x
Answer: B
Mathematics
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Find the first four terms of the binomial series for the given function.(1 + 10x)1/2
A. 1 - 5x + 
x2 - 
x3
B. 1 - 5x + 
x2 - 
x3
C. 1 + 5x - 
x2 + 
x3
D. 1 + 5x - 
x2 + 
x3
Mathematics
Find Dxy.y = x4 cosh-1 4x
A. 4x3 cosh-1 4x + 
B. 4x3 cosh-1 4x + 
C. 4x3 cosh-1 4x + 
D. 4x3 cosh-1 4x + 
Mathematics
Determine whether the graph is the graph of a function.
A. Function B. Not a function
Mathematics
The abacus in the figure has "five" playing the role of "ten." (a) What number is represented on this five-bead abacus? (b) How would this number naturally be recorded?
A. (a) 625, (b) 10,000 B. (a) 20, (b) 40 C. (a) 125, (b) 1000 D. (a) 25, (b) 100
Mathematics