Solve the logarithmic equation.log x + log(x + 1) = log 42
A. {7}
B. 
C. {6}
D. {7, -6}
Answer: C
Mathematics
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Solve the equation by factoring.x2 + 9x - 36 = 0
A. x = -12 or x = 3 B. x = -12 or x = 1 C. x = 12 or x = -3 D. x = 12 or x = 3
Mathematics
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 8x - 5 = 0
A. {-4 ± 2
}
B. {4 ± 
}
C. {-1 ± 
}
D. {-4 ± 
}
Mathematics
Find the quotient.(5x4 + 4x3 + x2) ÷ x
A. 9 B. 5x3 + 4x3 + x C. 5x4 + 4x3 + x2 D. 5x3 + 4x2 + x
Mathematics
Find the domain of the function. Put your answer in set-builder notation.f(x) = 
A. 
B. 
C. 
D. 
Mathematics