Complete the square. Then write the perfect-square trinomial in factored form.x2 - 
x
A. x2 - 
x + 
; 
2
B. x2 - 
x; 
2
C. x2 - 
x + 9; 
2
D. x2 - 
x + 
; 
2
Answer: D
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Indicate whether the inequality is true or false.0.5 ? -1
A. True B. False
A sociologist has found that the number of serious crimes in a certain city each year is described by the function 
where x (in cents/dollar deposited) is the level of reinvestment in the area in conventional mortgages by the city's ten largest banks. Use differentials to estimate the change in the number of crimes if the level of reinvestment changes from 21
src="https://sciemce.com/media/3/ppg__cognero__3.7_Differentials__media__307e533a-5161-4904-9f41-92f1713b8891.PNG" style="vertical-align: middle;" />/dollar deposited to 25
/dollar deposited. Round to the nearest integer.
?
Decrease of __________ crimes/yr.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A plane suddenly experiences turbulence while in flight. At this point the change in its altitude, in feet, is represented by the following function of time:F(t) = 
.Assuming that the turbulence first hits at time t = 0, what is the maximum relative drop the plane will experience due to turbulence? (Round the result to the nearest hundredth.)
A. 16.80 ft B. 0.97 ft C. 8.20 ft D. 0.26 ft
Use technology to calculate det A.A = 
A. 168 B. -168 C. -48 D. -120