Subtract.11x5 + x3 - 2x2 - 3x + 1 from 7x5 - 9x4 + 8x2 - 9x + 8
A. -4x5 - 9x4 + x3 + 6x2 - 12x + 9
B. -4x5 - 9x4 - x3 + 10x2 - 6x + 7
C. 4x5 - 9x4 - x3 - 5x + 8
D. -4x5 - 9x4 + x3 + 9x2 + 6x - 7
Answer: B
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Find the inverse of f. Then sketch the graphs of f and  figure.png)
on the same set of axes. Select the correct answer.
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Solve.The population P, in thousands, of Jonesburg is given byP(t) = 
,
where t is the time, in months.Graph the function on the interval [0,?) and complete the following:P(t) ? 
as t ? ?.
A. 
P(t) ? 50 as t ? ?.
B. 
P(t) ? 0 as t ? ?.
C. 
P(t) ? 1 as t ? ?.
D. 
P(t) ? 45 as t ? ?.
Graph the equation.2y + 12x = -18
A. 
B. 
C. 
D. 
In testing a hybrid engine, various mixtures of gasoline and methanol are being tried. How much of a 90%-gasoline mixture and how much of an 80%-gasoline mixture would be needed to make 260 gal of an 85%-gasoline mixture?Amount of 90%-gasoline mixture: __________ galAmount of 80%-gasoline mixture: __________ gal
What will be an ideal response?