Simplify the expression. Assume that n is a counting number.
A. b(8n + 7)
B. b(4n + 7)
C. b(4n - 7)
D. b(8n - 7)
Answer: C
Mathematics
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Graph the system of inequalities.
+ 
? 1
+ 
? 1
A. 
B. 
C. 
D. 
Mathematics
Prove the limit statement
(5x - 1) = 4
What will be an ideal response?
Mathematics
Solve the cubic equation using factoring and the quadratic formula.x3 + 8 = 0
A. {-2, ±2i}
B. {-2, 1 ± i
}
C. {-2, 1 ± i
}
D. {-2, -1 ± 
}
Mathematics
Use the discriminant to determine the number of real solutions.t2 - 10t + 25 = 0
A. One real solution B. Two real solutions C. No real solutions
Mathematics