Solve the problem.Find the sum of the infinite series 1 + 2r + 5r2 + 2r3 + r4 + 2r5 + 5r6 + 2a7 + r8 ... for those values of r for which it converges.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find any x-intercepts.f(x) = x2 + 4x - 7
A. -4 and 3
B. -2 + 
and -2 - 
C. none
D. 4
Mathematics
Guess the rule used to change one number into another.
A. 3n + 1 B. 4n - 3 C. n2 - 3 D. None of the above is the correct rule.
Mathematics
Provide the appropriate response.Sketch the graph of a polynomial function which has a negative y-intercept, one local maximum and one local minimum, but has no absolute extrema.
A. 
B. 
C. 
D. 
Mathematics
Convert to decimal notation.3.246 × 10-6
A. 0.000003246 B. 0.0000003246 C. -3,246,000 D. 0.00003246
Mathematics