Write the satement in symbols. Let x represent the unknown number.One-half a number, minus ten, plus two times the number.
A. 
x - 10 + 2x
B. 
x - 8
C. 
x - 5
D. 
x - 10
Answer: D
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Find the first four terms of the binomial series for the given function.
1/3
A. 1 - 
x + 
x2 - 
x3
B. 1 - 
x + 
x2 - 
x3
C. 1 - 
x - 
x2 - 
x3
D. 1 - 
x - 
x2 - 
x3
Solve the problem.It is necessary to have a 40% antifreeze solution in the radiator of a certain car. The radiator now has 70 liters of 20% solution. How many liters of this should be drained and replaced with 100% antifreeze to get the desired strength?
A. 28 L B. 23.3 L C. 17.5 L D. 35 L
Solve the equation.log 27 x = 
A. {18} B. {9} C. {27} D. {3}
Solve.If f(x) = ?x? (solid line)and g(x) = 6 (dashed line), find when f(x) = g(x) and when f(x) > g(x). 
A. f(x) = g(x) when x = 6 and x = -6 f(x) > g(x) when x < -6 or x > 6 B. f(x) = g(x) when x = -6 f(x) > g(x) when x > 6 C. f(x) = g(x) when x = 6 f(x) > g(x) when x < -6 D. f(x) = g(x) when x = 6 and x = -6 f(x) > g(x) when x > -6 and x < 6