Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Determine whether or not the function is one-to-one.f(x) = 6x - 4
A. No B. Yes
Mathematics
Perform the indicated operations.(-4x2 - 6) - (-x3 + 9x2 - 7)
A. -3x3 + 9x2 + 1 B. -3x3 + 3x2 + 7 C. x3 + 5x2 - 13 D. x3 - 13x2 + 1
Mathematics
Evaluate the expression or indicate that the root is not a real number.
A. 256
B. 
C. 4
D. Not a real number
Mathematics
Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t, y = t + 2; -2 ? t ? 3
A. y = x2 + 1; for x in -2 ? x ? 2
B. y = -2x + 2; for x in -? < x < ?
C. y = x - 2; for x in -? < x < ?
D. y = x + 2; for x in -4 ? x ? 6
Mathematics