Evaluate the integral by using a substitution prior to integration by parts.
A. ln (10x + 10x2) + ln (x +1) + C
B. xln (10x + 10x2) + ln (x +1) - 2x + C
C. xln (10x + 10x2) + C
D. ln (10x + 10x2) - 2x + C
Answer: B
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Rewrite the statement using the if...then connective. Rearrange the wording or words as necessary.All children like stuffed toys.
A. If it is a child, then it likes stuffed toys. B. All children like stuffed toys. C. If it is not a stuffed toy, then children like it. D. If children like it, then it's a stuffed toy.
Find the center of mass of a thin plate covering the given region with the given density function.The region between the curve y = 
and the x-axis from x = 1 to x = 9, with density ?(x) = 
A. 
= 
, 
= 
B. 
= 
, 
= 1
C. 
= 5, 
= 2
D. 
= 
, 
= 24
Find the derivative.f(x) = sin 2e-2x
A. 4e-2x cos 2e-2x B. -4e-2x cos 2e-2x C. cos 2e-2x D. e-2x cos 2e-2x
Find the cost, including a sales charge of $1 per bond, for the transaction.Bond: FPCLast Price: 82.125Number Purchased: 10
A. $82,125.00 B. $8,222.50 C. $8,212.50 D. $9,990.00