Evaluate the expression for the given value of x.
?
, x = - 3
?
A. 54
B. 27
C. -27
D. 6
E. -54
Answer: E
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Find the area of the triangle using Heron's formula. Round your answer to two decimal places as needed.
A. 16.43 mm2 B. 5.81 mm2 C. 8.22 mm2 D. 11.62 mm2
In an endeavor to curb population growth in a certain country, the government has decided to launch an extensive propaganda campaign. Without curbs, the government expects the rate of population growth to have been
?
?
thousand people per year t years from now, over the next 5 years. However, successful implementation of the proposed campaign is expected to result in a population growth rate of
?
?
thousand people per year t years from now, over the next 5 years. Assuming that the campaign is mounted, how many fewer people will there be in that country 5 years from now then there would have been if no curbs had been imposed?
?
Please round your answer to the nearest whole number.
?
__________ thousand people
Fill in the blank(s) with the appropriate word(s).
Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = -9x4 + 3x3 - 7x2 + 8x - 2
A. 0 or 2 positive; 0 negative B. 0, 2, or 4 positive; 0 negative C. 0 or 2 positive; 0, 2, or 4 negative D. 0, 2, or 4 positive; 0, 2, or 4 negative
Find functions f and g so that f ? g = H.H(x) = 
A. f(x) = 
- 9; g(x) = 
B. f(x) = 
, g(x) = x2 - 9
C. f(x) = x2 - 9; g(x) = 
D. f(x) = 
; g(x) = 
- 9