Match the graph to one of the listed functions. 
A. f(x) = x2 - 10x
B. f(x) = -x2 - 10x
C. f(x) = x2 - 10
D. f(x) = -x2 - 10
Answer: C
Mathematics
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Simplify the expression without a calculator.
-3
A. 
B. 
C. 125
D. -125
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Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t - 1, y = t2 + 7; -4 ? t ? 4
A. y = - x + 30; for x in -6 ? x ? 4
B. y = x2 +
x +
; for x in -9 ? x ? 7
C. y = x2 + 1; for x in -2 ? x ? 2
D. y = x2 + 1; for x in -6 ? x ? 4
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Convert the angle in degrees to radians. Round to two decimal places.-335°
A. -5.83 radians B. -5.85 radians C. -5.82 radians D. -5.84 radians
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Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-60°)
A. 
B. 
C. - 
D. - 
Mathematics