Find the inverse of the function.f(x) = 7x
A. f-1(x) = 
B. f-1(x) = 7 + x
C. f-1(x) = 7x
D. f-1(x) = 
Answer: A
Mathematics
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Use scientific notation to solve the problem.The earth is approximately 92,900,000 miles from the sun. 
x 103 m, what is the distance to the sun in meters?
A. 5.7 x 1010 m B. 1.50 x 1011 m C. 5.7 x 10-10 m D. 1.50 x 1010 m
Mathematics
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
? 0
A. [1, 7]
B. (1, 7]
C. (-?, 1) or [7, ?)
D. (-?, 7]
Mathematics
Solve the equation.3x = 27
A. {3} B. {9} C. {2} D. {4}
Mathematics
Solve the problem.Find tan P. 
A. tan P = 
B. tan P = 
C. tan P = 
D. tan P = 
Mathematics