Find the volume under the surface of the specified figure. z = 1 + x + y; R = {(x, y):0 ? x ? 2, 0 ? y ? 4]
A. 11
B. 24
C. 18
D. 32
Answer: D
Mathematics
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = sin x cos x
A. 1 + x - 
x2 - 
x3 + . . .
B. x + 
x3 - 
x5 + 
x7 + . . .
C. x - 
x3 + 
x5 - 
x7+ . . .
D. x - 
x3 + 
x5 - 
x7 + . . .
Mathematics
Complete the factoring.9x2 - 20x - 21 = (x - 3)( )
A. 9x + 7 B. x - 7 C. 7x + 9 D. x + 9
Mathematics
Rewrite the rational expression as an equivalent rational expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(5x + 3)3
A. 125x3 + 225x2 + 135x + 27 B. 125x3 + 225x2 + 225x + 27 C. 25x2 + 30x + 9 D. 25x6 + 15x3 + 729
Mathematics