Graph the solution set of the inequality and write it in interval notation.2 < x < 7
A. (2, 7)
B. [2, 7]
C. (2, 7)
D. [2, 7)
Answer: C
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Find the domain of the function.f(x) = 
A. {x|x ? -9}, or (-?, -9) ? (-9, ?) B. {x|x > 0}, or (0, ?) C. {x|x ? 9}, or (-?, 9) ? (9, ?) D. {x|x < 0}, or (-?, 0)
Express the number in scientific notation.0.00000072003
A. 7.2003 × 10-6 B. 7.2003 × 106 C. 7.2003 × 107 D. 7.2003 × 10-7
Solve the problem.If the voltage in an electric circuit is held constant, the current varies inversely as the resistance. If the current is 140 milliamperes (mA) when the resistance is 2 ohms, find the current when the resistance is 14 ohms.
A. 20 mA B. 973 mA C. 40 mA D. 980 mA
Solve the problem.A collection of dimes is arranged in a triangular array with 15 coins in the base row, 14 in the next, 13 in the next, and so on with 1 dime in the last row. Find the value of the collection.
A. $12.00 B. $6.00 C. $1.20 D. $24.00