Write in decimal notation.2.428 × 10-5
A. 0.000002428
B. -242,800
C. 0.00002428
D. 0.0002428
Answer: C
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Solve the inequality. Express your answer in set notation.x2 ? 9
A. {x| x < -3 or x > 3} B. {x| -3 ? x ? 3} C. {x| x ? -3 or x ? 3} D. {x| x < -3 or x ? 3}
Use the given information to find the exact value of the trigonometric function.sin ? = - ,
? lies in quadrant IV
Find sin
.
A.
B. -
C. -
D.
Find the domain of the rational function.f(x) =
A. all real numbers B. {x|x ? 1, x ? -8} C. {x|x ? -1, x ? 8} D. {x|x ? 1, x ? -8, x ? -3}
Solve the problem.Ellen wishes to mix candy worth $2.82 per pound with candy worth $3.89 per pound to form 24 pounds of a mixture worth $3.18 per pound. How many pounds of the more expensive candy should she use?
A. 8 pounds B. 16 pounds C. 18 pounds D. 13 pounds