Calculate the arc length of the indicated portion of the curve r(t).r(t) = 11t3i + 2t3j + 10t3k, 1 ? t ? 3
A. 5850
B. 390
C. 1950
D. 130
Answer: B
Mathematics
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Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.x2 + 6x + 9 = 0
A. two rational solutions B. one rational solution C. two irrational solutions D. two nonreal complex solutions
Mathematics
Solve the problem.You withdraw $68 a week from a savings account for 5 weeks. What is the overall change in the account?
A. -$340 B. $340 C. $73 D. -$73
Mathematics
Use the square root property to solve the equation.(x - 4)2 = 19
A. 
- 
B. 
+ 4
C. -4 ± 
D. 4 ± 
Mathematics
Find the slope of the line through the given pair of points.(
, 4) and (0.46, 4)
A. 0.46 - 
B. 0
C. 
- 0.46
D. undefined
Mathematics