The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = -4x
C. f-1(x) = 4x
D. f-1(x) = 
Answer: D
Mathematics
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Use the quadratic formula to solve the equation.(x - 5)(x - 1) = 8
A. {-3 - 2
, -3 + 2
}
B. {3 - 
, 3 + 
}
C. {-3 - 
, -3 + 
}
D. {3 - 2
, 3 + 2
}
Mathematics
Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Mathematics
Find the midpoint of the line segment formed by joining the points P1 and P2.P1 = (-5, -7); P2 = (-1, -9)
A. (-6, -16)
B. 
C. 
D. (-4, 2)
Mathematics
Add.- 
+ 
A. -1
B. - 1
C. - 
D. - 
Mathematics