Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.For what value of r does the infinite series 1 + 3r + 5r2 + 3r3 + r4 + 3r5 + 5r6 + 3r7 + r8 + ... converge?
A. |r| < 1
B. |r| < 
C. |r| < 4
D. |r| < 
Mathematics
Solve the inequality.3x3 + 4x2 - 16x + 8 > 0
A. -1 - 
< x < 
, x > -1 +
B. x < -1 - 
, 
< x < -1 + 
C. x < -1 + 
D. -1 - 
Mathematics
Determine if the function is increasing or decreasing over the interval indicated.y = 4x2 ; x > 0
A. Decreasing B. Increasing
Mathematics
Factor out the largest possible common factor.s(t2 - 14) + 11(t2 - 14)
A. 11s(t2 - 14) B. (t2 - 14)(s - 11) C. (st2 - 14s) + (11t2 - 154) D. (t2 - 14)(s + 11)
Mathematics