Sketch the graph of the quadratic function.f(x) = 
(x + 2)2 + 4
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the quadratic equation by factoring.8k2 - 15k - 2 = 0
A. -8, 2
B. 
, - 
C. - 
, 2
D. - 
, 8
Mathematics
Graph the function.y = -2 + cot x
A. 
B. 
C. 
D. 
Mathematics
The percent P of the drug triazolam (a drug for treating insomnia) remaining in a person's bloodstream after t hours is given by 
. What percent will remain in the bloodstream after 10 hours?
?
Please enter your answer as a percent without the percent sign, rounded to three decimal places, if necessary.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 7 + 5i
A. 
= 7 - 5i, z
= 49 - 25i2
B. 
= 7 - 5i, z
= 74
C. 
= 7 - 5i, z
= 24
D. 
= 7 - 5i, z
= 49 - 25i
Mathematics