Simplify the expression. Assume all variables represent positive real numbers.6
- 2
- 
A. 17x
B. 18x
C. 4x
D. 3x
Answer: A
Mathematics
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Answer the question.For f(x) = x2 - 81 and g(x) = 2x + 3, what is the domain of g?f?
A. 
B. 
x ? - 
C. 
x ? - 
D. All real numbers
Mathematics
Simplify.(4x4y)(5x3y4)(0)
A. 1 B. 20x7y5 C. 20x5y4 D. 0
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -4x4 - 6x3 - 2x2 - 4x + 2
A. 0 or 2 positive; 0 or 2 negative B. 1 positive; 1 or 3 negative C. 1 positive; 2 negative D. 1 positive; 1 negative
Mathematics
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(0, 2)} B. {(0, 3)} C. {(-1, 3)} D. ?
Mathematics