Decide whether or not the functions are inverses of each other.f(x) = 7x2 + 1, g(x) = 
A. No
B. Yes; No values need to be excluded.
C. Yes; Exclude the interval (-?, 1)
D. Yes; Exclude the interval (-?, 7)
Answer: C
Mathematics
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Solve the problem.From a balloon 1,161 feet high, the angle of depression to the ranger headquarters is 
How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?
A. 817 ft B. 802 ft C. 807 ft D. 812 ft
Mathematics
Find the domain of the function.f(x) = log(x + 6)
A. (-6, ?) B. (0, ?) C. (6, ?) D. (1, ?)
Mathematics
Perform a rotation of axes to eliminate the xy-term, and sketch the graph of the conic defined by the function
below.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
?
Mathematics
Complete the table for the equation.y + 5x = -17
A. 
B. 
C. 
D. 
Mathematics