Find the y-intercept of the polynomial function.f(x) = -x2 - 2x + 8
A. -8
B. -1
C. 8
D. 0
Answer: C
Mathematics
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Find the sum of the series.1 + 3 + 
+ 
+ 
+ ...
A. sin 
B. ln 4
C. e-3
D. e3
Mathematics
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Compute the standard deviation(s).0.438?0.171?0.442?0.135?0.467?0.477?0.624
A. 1.2697 B. 0.1762 C. 1.0835 D. 0.135
Mathematics
Solve the equation for y.5x + 8y - 4z = 11
A. y = 
B. y = 4z - 5x + 3
C. y = 
D. y = 
Mathematics
Find the greatest common factor of the terms.18t, 27
A. 54t B. 9t C. 18 D. 9
Mathematics