Solve the inequality. Write the solution in interval notation.9x4 < 27x2
A. (-
, 
)
B. (-?, -
) ? (
, ?)
C. (-?, -
) ? (0, 
)
D. (-3, 0) ? (0, 3)
Answer: C
Mathematics
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Solve the differential equation.D2y + 9 Dy = 0
A. y = C1e-9x + C2ex B. y = C1e9x + C2ex C. y = C1e9x + C2 D. y = C1e-9x + C2
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Find the average rate of change for the function over the given interval.y = 6x3 between x = -1 and x = 1
A. 12 B. 0 C. 6 D. -6
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The sequence is defined recursively. Write the first four terms of the sequence.a1 = 3 and an = 2an-1 for n ? 2
A. 4, 8, 16, 32 B. 3, 6, 12, 24 C. 3, 5, 4, 3 D. 3, 8, 14, 26
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Find the domain of the given function. f(x) = 
A. (-?, -5] ? [11, ?) B. [-11, 5] C. (-?, -11] ? [5, ?) D. [-11, ?)
Mathematics