Integrate by first changing the form of the integrand.Integrate
by using the fact that elnx = x.
A. xe-x + C
B. e-x + C
C. -xe-x + C
D. -e-x + C
Answer: D
Mathematics
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Find the GCD for the pair of natural numbers.84, 378
A. 6 B. 42 C. 14 D. 21
Mathematics
For the given figure, find the ratio of the length of the longest side to the length of the shortest side. Write the ratio as a fraction in lowest terms.
A = 0.4 yardB = 2.8 yardsC = 0.4 yardD = 2.8 yards
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the line satisfying the following conditions.If possible, write the equation in slope-intercept form. Through (6, 5), perpendicular to 6x + 5y = 11
A. y = 
x + 0
B. y = 
x + 
C. y = - 
x - 0
D. y = 
x - 
Mathematics
Express the number as the product of prime factors. Write the answer in exponential form.80
A. 24 ? 5 B. 23 ? 5 C. 16 ? 5 D. 23 ? 52
Mathematics