Determine whether the function is periodic. If it is periodic, find the period.f(x) = 2 sin2 x
A. 2?
B. Not periodic
C. ?
D. 
Answer: C
Mathematics
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Solve.x2 = -36
A. ± 6i B. ± 36i C. ± i D. ± 6
Mathematics
Find the real solutions of the equation.(3x - 7)1/2 = 4
A. {
}
B. {
}
C. {
}
D. no real solution
Mathematics
Find the sum of the infinite geometric series.16 + 8 + 4 + 2 + . . .
A. 16 B. - 16 C. 28 D. 32
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.(13 - x)3 - x3
A. (13 - x)(x2 - 13x + 169) B. (13 - 2x)(3x2 - 13x + 169) C. (13 + 2x)(x2 - 13x + 169) D. (13 - 2x)(x2 - 13x + 169)
Mathematics