Find the derivative.y = ex ln x
A. 
B. ex ln x
C. 
D. 
Answer: A
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Solve.During a visit to a high school, a health care worker determined that 25 of the 225 girls were anemic and 18 of the 220 boys were anemic. (a) Express in lowest terms the fraction of girls who were anemic.(b) Express in lowest terms the fraction of boys who were anemic.(c) Is the fraction of anemic students higher among the girls or the boys? [Hint: Convert your answers to parts (a) and (b) to equivalent fractions with the same denominator.]
A. (a) 
, (b) 
, (c) girls
B. (a) 
, (b) 
, (c) girls
C. (a) 
, (b) 
, (c) girls
D. (a) 
, (b) 
, (c) girls
Calculate the arc length of the indicated portion of the curve r(t).r(t) = (7 + 2t2)i + (2t2 - 5)j + (5 - t2)k, -1 ? t ? 4
A. 51 B. 153 C. 135 D. 45
Provide an appropriate response.Under what conditions must the inequality symbol be reversed when solving an inequality?
What will be an ideal response?
Solve the equation. Round the solution to the nearest tenth.-60.2 = 19m + 9.3m - 6.54
A. -82 B. -1.9 C. 0.4 D. -0.5