Find the exact area under the curve between the indicated values of x.y = 
; between x = 1 and x = 3
A. 
B. 
C. 3
D. 
Answer: A
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Determine the natural logarithm of the number. Round to the nearest ten-thousandth.0.000697
A. 7.2687 B. -3.1568 C. -7.2687 D. 3.1568
Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.62 + 123 + 184 + . . . + 489
A. 
B. 
C. 
D. 
Solve the problem.x represents the number of textbooks purchased at $25 per book, and y represents the total amount of money spent on textbooks. What is an equation of the form y = ax for this situation?
A. y = 50x B. y = 13x C. y = 25x D. y = 75x
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = x5 + x4 + x2 + x + 9
A. 0 positive zeros, 0 negative zeros B. 0 positive zeros, 2 or 0 negative zeros C. 0 positive zeros, 1 negative zero D. 0 positive zeros, 3 or 1 negative zeros