Approximate. Round to the nearest thousandth.
A. -1.643
B. -2.642
C. -2.643
D. -2.002
Answer: C
Mathematics
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Solve the problem.For what values of t is r(t) = ti + 
j continuous?
A. {t ? ?: t ? -8}
B. {t ? ?: t ? 0 and t ? -8}
C. {t ? ?: t ? 0}
D. {t ? ?: t ? 0 and 
? 8}
Mathematics
Use Newton's method to find an approximate answer to the question. Round to six decimal places.Where is the local extremum of f(x) = 
located?
A. x ? 1.000000 B. x ? 1.687547 C. x ? 1.127450 D. x ? 1.102547
Mathematics
Find the volume. Round results to the nearest tenth if necessary.A sphere with radius 14 cm
A. 6462.1 cm3 B. 820.6 cm3 C. 11,488.2 cm3 D. 1436 cm3
Mathematics
Each number below is the number of miles the Hoover family has driven in a week. Determine the frequency of the class interval for this data. 
Miles Driven
A. 4 B. 5 C. 2 D. 3
Mathematics