Find the volume of the solid of revolution formed by rotating about the x-axis the region bounded by the curves.f(x) = 
, y = 0, x = -8, x = 12 Give your answer in exact form.
A. ? (ln 21 - 1)
B. ? ln 21
C. 2? (
- 1)
D. ln 21
Answer: B
Mathematics
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Solve for the variable.x - 3.8 = 20
A. 23.8 B. 23.3 C. 16.2 D. 15.7
Mathematics
Find the location of the indicated absolute extremum for the function.Minimum
A. No minimum B. x = -1 C. x = 2 D. x = 1
Mathematics
Write in scientific notation.162.04
A. 1.6204 × 10-1 B. 1.6204 × 101 C. 1.6204 × 102 D. 1.6204 × 10-2
Mathematics
Solve the equation.
?
?
A. 2, 7 B. 4, 5 C. ?1, 8 D. no solution E. -7, 2
Mathematics