Solve the problem.If k = 
and k2 - 3k = 54, find x.
A. {
, 
}
B. {18, 
}
C. {
, 
}
D. {
, 
}
Answer: A
Mathematics
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Solve the problem.The amount of a particular matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 800, 3200 B. 800, 25 C. 1600, 200 D. 800, 200
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Find the value.63 + 80 ÷ 42 × 72
A. 63 B. 19,663 C. 308 D. 438
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Find the slope and the y-intercept of the line.3x + y + 4 = 0
A. m = -3; b = -4
B. m = 3; b = -4
C. m = - 
; b = - 
D. m = - 
; b = - 
Mathematics
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = - log (x) B. y = log (-x) C. y = - log (-x) D. y = log (x)
Mathematics