Find the inverse function of f.?
?
, x ? 
?
A. ?
, x ? 
B. ?
, x ? 
C. ?
, x ? -4
D. ?
, x ? 
E. ?
, x ? 
Answer: D
Mathematics
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The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) < 0?
A. [-25, -15), (17.5, 25) B. (-15, ?) C. (-15, 17.5) D. (-?, -15)
Mathematics
Find the first term and the common ratio of the geometric sequence.an = 6
n
A. a1 = - 
, r = 
n
B. a1 = 4, r = 
C. a1 = 
, r = 6
D. a1 = - 4, r = 4
Mathematics
Use the graph to find the vertical asymptotes, if any, of the function. 
A. x = 2, y = 5 B. x = 3, x = 0 C. x = 3 D. y = 5
Mathematics
Solve the equation. Simplify. If the solution is an improper fraction, write it as a mixed number.n ? 2
= 4
A. n = 1
B. n = 1
C. n = 1
D. n = 2
Mathematics