Find the length of the curve.The parabolic segment r = 
, 0 ? ? ? 
A. 
(
- ln(
- 1))
B. 6?
C. 3
D. 
(
+ ln(
+ 1))
Answer: A
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. - 
+ 3ln
+ 3ln
+ C
B. -6 ln
+ 
tan-1 
+ C
C. -6 ln
+ 3ln
+ 3ln
+ C
D. 6 ln
- 3ln
- 3ln
+ C
Mathematics
Sketch the graph of f.f(x) = 
x
A. 
B. 
C. 
D. 
Mathematics
Translate the sentence to an equation.Five times a number equals 20.
A. 
= 20
B. 
= 5
C. 5x = 20
D. 20x = 5
Mathematics
Solve the problem.Find the missing length in the similar triangles.
A. x = 12 B. x = 9 C. x = 3 D. x = 6
Mathematics