Find the indicated value.Let f(x) = 2x. f-1
A. 3
B. -3
C. - 
D. -2
Answer: B
Mathematics
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Solve the inequality 
. Round your answer to two decimal places.
?
A. 
B. ?
and 
C. ?
and
D. ?
Mathematics
Solve the problem.Find the mass of the solid in the first octant between the spheres 
and 
if the density at any point is inversely proportional to its distance from the origin.
A. 15k?
B. 
k?
C. 
k?
D. 90k?
Mathematics
Write the numeral in base ten.42five
A. 42 B. 47 C. 27 D. 22
Mathematics
Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.-14, -18, -22, -26, . . .
A. yes, -4 B. no C. yes, 4 D. yes, -12
Mathematics