Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational roots. x3 + 3x2 - x - 3 = 0
A. {1, -1, 3}
B. {1, -1, -3}
C. {-1, 1, 3}
D. {1, 1, -3}
Answer: B
Mathematics
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Evaluate the integral.
A. 6 tan-1 
+ C
B. 
tan-1 (x + 6) + C
C. 
tan-1 
+ C
D. 
tan-1 6x + C
Mathematics
An glass of wine has a pH of 4.75. Find the hydrogen ion concentration of this solution.
A. 4.75 mol/L [H+] B. 5.62 × 10-10 mol/L [H+] C. 1.78 × 10-5 mol/L [H+] D. 1.78 mol/L [H+]
Mathematics
Find the requested number.Find the number of combinations when 9 objects are taken 6 at a time.
A. 30,240 B. 12 C. 84 D. 504
Mathematics
Use the Quotient Rule to find the derivative of the function.
Mathematics