Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Answer: A
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Subtract.(-6x3 + 4x5 - 5 + 4x4) - (9 + 8x4 + 8x5 + 9x3)
A. -4x5 + 12x4 + 3x3 + 4 B. -4x5 - 4x4 - 15x3 - 14 C. 12x5 + 12x4 + 3x3 + 4 D. 12x5 + 12x4 + 3x3 - 14
Provide an appropriate response.Use the law of sines to solve the triangle ABC if a = 18, b = 18, and A = 42°. If there are two possibilities, find both solutions. Round sides to four significant digits and angles to the nearest 0.1°.
A. no solution B. B = 42.0°, C = 96.0°, c = 26.75; B = 138.0°, C = 42.0°, c = 18.00 C. B = 138.0°, C = 42.0°, c = 18.00 D. B = 42.0°, C = 96.0°, c = 26.75
Suppose 
measures an economy's personal consumption expenditure and x the personal income, both in billions of dollars. Then, 
measures the economy's savings corresponding to an income of x billion dollars. Then
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The quantity dS/dx is called the marginal propensity to save.
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For the consumption function 
, where 
and x are measured in billions of dollars, find the marginal propensity to save when 
.
?
A. -$0.213 billion/billion dollars
B. $0.874 billion/billion dollars
C. -$0.85 billion/billion dollars
D. $0.119 billion/billion dollars
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.6 ln x - 
ln y
A. ln 
B. ln x6y4
C. ln 
D. ln x6