Factor.8x3 + 18x2 + 9x
A. (8x2 + 3)(x + 3)
B. x(2x + 3)(4x + 3)
C. x(8x + 1)(x + 9)
D. x(2x - 3)(4x - 3)
Answer: B
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There are initially 37 milligrams per deciliter of a drug in the bloodstream of a patient. The concentration of the drug shows a constant percentage decay of 6% per hour. ? A: Using C for the concentration, in milligrams per deciliter, of the drug after t hours, write a formula for C. ? B: What is the percentage decrease in concentration over any 4-hour period? ? C: Make a graph that shows the drug concentration over the first 20 hours. ? D: How long will it take for the concentration to decline by 24%? ? Round your answers to two decimal places if necessary. ?
What will be an ideal response?
Solve and graph. Write the solution set in set-builder and interval notation.6z - 12 ? 5z - 6
A. {z| z ? 6}; [6, ?)
B. {z| z < 6}; (-?, 6)
C. {z| z > 6}; (6, ?)
D. {z| z ? 6}; (-?, 6]
Provide an appropriate response.In the figure below, AB = AE, AC = AD and 
is perpendicular to 
. Prove that 
What will be an ideal response?
Graph the hyperbola.(y + 1)2 - (x + 2)2 = 3
A. 
B. 
C. 
D. 