Solve the problem.Write an equation for the tangent line to the curve 
at the point 
A. x + y = 1
B. y = x + 1
C. y = x - 2
D. x - y + 2 = 0
Answer: D
Mathematics
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Set up an integral for the length of the curve.y = x6, 0 ? x ? 1
A. 
B. 
C. 
D. 
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Write the equation of the axis of symmetry.f(x) = 2x2 - 4x - 3
A. x = 5 B. x = -1 C. x = 1 D. x = -5
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Solve the problem.The primary reason for having a control group and a treatment group in a clinical study is
A. to eliminate confounding variables. B. to save money. C. to combat the placebo effect. D. to make it easier to collect data. E. none of these
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Find the derivative of y with respect to x.y = 3x3 sin-1 x
A. 
+ 9x2 sin-1 x
B. 
+ 9x2
C. 
+ 9x2 sin-1 x
D. 
Mathematics