Write the inequality in interval notation.x > 5 or x < 5
A. (5,?)
B. (5)
C. (-?, 5) ? (5,?)
D. (-?,5)
Answer: C
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Answer the question according to what the textbook states.Which of these is the most important general tip for success in a mathematics course?
A. Don't be afraid to ask questions B. Do your homework C. Organize your class materials D. Check your work
Solve the problem.The liquid portion of a diet is to provide at least 300 calories, 36 units of vitamin A, and 90 units of vitamin C daily. A cup of dietary drink X provides 60 calories, 12 units of vitamin A, and 10 units of vitamin C. A cup of dietary drink Y provides 60 calories, 6 units of vitamin A, and 30 units of vitamin C. Set up a system of linear inequalities that describes the minimum daily requirements for calories and vitamins. Let x = number of cups of dietary drink X, and y = number of cups of dietary drink Y. Write all the constraints as a system of linear inequalities.
A. 
B. 
C. 
D. 
Factor the trinomial or state that the trinomial is irreducible.x2 + 2x - 80
A. (x - 10)(x + 8) B. irreducible C. (x - 10)(x + 1) D. (x + 10)(x - 8)
Solve the quadratic equation by completing the square.x2 - 3x = 5
A. {3 - 
, 3 + 
}
B. 
C. 
D. 