Find an equivalent expression by factoring.w + wz
A. w(w + z)
B. z(1 + w)
C. w(1 + z)
D. w(1 + wz)
Answer: C
Mathematics
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If the sequence is geometric, find the common ratio r. If the sequence is not geometric, say so.81, -27, 9, -3, . . .
A. -3
B. - 
C. - 
D. 
Mathematics
Simplify. If an expression does not represent a real number, state this.
A. not a real number B. 16 C. 8 D. 4
Mathematics
Solve the problem.If g(x) = x2 - 2x - 8 , solve g(x) ? 0.
A. (-?, -2] or [4, ?) B. [4, ?) C. [-2, 4] D. (-?, -2]
Mathematics
Find the integral.
A. - 
sin e-x + C
B. 8e-x sin e-x + C
C. -8 sin e-x + C
D. 8 sin e-x + C
Mathematics