Solve the combined inequality. Write the solution in interval notation.10 ? 4x + 2 ? 26
A. [-6, -2]
B. [2, 6]
C. (2, 6)
D. (-6, -2)
Answer: B
Mathematics
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Find the quantity indicated.x varies inversely as y2. If x = 4 when y = 10, find x when y = 2.
A. x = 100 B. x = 5 C. x = 80 D. x = 16
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Use the principle of square roots to solve the equation.(x + 9)2 - 2 = 0
A. -7, 11
B. 9 ± 
C. -3 ± 
D. -9 ± 
Mathematics
Find the domain of the function.f(x) = 
A. {x|x > 
}, or (
, ?)
B. {x|x ? 12}, or (-?, 12]
C. all real numbers, or (-?, ?)
D. {x|x ? 12}, or (-?, 12) ? (12, ?)
Mathematics
Write in scientific notation.0.000379
A. 3.79 × 104 B. 3.79 × 10-4 C. 3.79 × 10-5 D. 3.79 × 10-3
Mathematics