Provide an appropriate response.If the trinomial 
is a perfect square, what can we conclude about the equationax2 + bx + c = 0?
A. The equation has one irrational solution.
B. The equation has no real solutions.
C. The equation has one rational solution.
D. The equation has two rational solutions.
Answer: C
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Find the flux of the curl of field F through the shell S.F = -4x2yi + 4xy2j + ln zk ; S: r(r, ?) = r cos ?i + r sin ?j + 4rk, 0 ? r ? 4 and 0 ? ? ? 2?
A. 
B. - 512?
C. 
?
D. - 
Decide whether or not the set is closed under multiplication.{1, 3, 5, 7, . . .}
A. Closed B. Not closed
Solve the problem.The half-life of silicon-32 is 710 years. If 100 grams is present now, how much will be present in 500 years? (Round your answer to three decimal places.)
A. 61.377 B. 0 C. 95.236 D. 0.759
Find the first six terms of the sequence.a1 = 3, a2 = 4; for n ? 3, an = an-1 + an-2
A. 3, 4, 6, 9, 12, 15 B. 3, 4, 7, 8, 11, 11 C. 3, 4, 7, 11, 18, 29 D. 3, 4, 12, 48, 576, 27,648