Solve the equation in the real number system.3x4 - 17x3 + 61x2 - 73x + 26 = 0
A. 
B. 
C. 
D. 
Answer: C
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A radioactive substance decays at a rate directly proportional to the amount present. If the substance is present in the amount of 
g initially 
, find the amount present in grams at any time
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Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = -x2 + 15x - 1
A. f(x) = -(x - 15)2 - 1
vertex: (15, -1)
B. f(x) = -(x - 
)2+ 
vertex: 
C. f(x) = -(x + 
)2- 
vertex: 
D. f(x) = -(x + 15)2 - 451
vertex: (-15, -451)
Graph the numbers on the real number line.x ? 4
A. 
B. 
C. 
D. 
Solve the problem.Ellen wishes to mix candy worth $1.32 per pound with candy worth $2.77 per pound to form 13 pounds of a mixture worth $2.21 per pound. How many pounds of the more expensive candy should she use?
A. 13 pounds B. 5 pounds C. 8 pounds D. 7 pounds