Perform the indicated operations. Write the resulting polynomial in standard form.(3x5 + 9x3 + 15) - (9x5 - 8x3 + 12)
A. -6x5 + 17x3 + 3
B. -6x5 + 17x3 + 27
C. 14x8
D. -6x5 + 18x3 + 27
Answer: A
Mathematics
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Evaluate the integral by using a substitution prior to integration by parts.
A. 
[cos (ln x) + sin (ln x)] + C
B. x[cos (ln x) + sin (ln x)] + C
C. 
[cos (ln x) - sin (ln x)] + C
D. x cos (ln x) + sin (ln x)+ C
Mathematics
Find the selling price per item to the nearest cent.Total cost: $47Quantity: 55Unsaleable: 9% Markup on selling price: 30%
A. $0.79 B. $1.46 C. $0.66 D. $1.22
Mathematics
Find the amplitude and range of the function.y = 2 cos x
A. 
; [-2, 2]
B. 2; [-2, 2]
C. ?; [-2, 2]
D. -2; [-2, 2]
Mathematics
Find the perimeter of the given square or rectangle.A rectangular tabletop 70 cm long by 48 cm wide
A. 118 cm B. 258 cm C. 472 cm D. 236 cm
Mathematics