Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions.log4(16x)
A. 2x
B. 2 + log4 x
C. 2 log4 x
D. 8 + log4 x
Answer: B
Mathematics
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Find the parametric equations for the line tangent to the curve at the given point.r(t) = 
at r(0)
A. x = -2t, y = -7, z = -3 B. x = -2, y = -7t, z = -3t C. x = -2t, y = -7t, z = -3 D. x = 2, y = -7t, z = 3t
Mathematics
Graph the function over a one-period interval.y = sin (2x - ?) + 2
A. 
B. 
C. 
D. 
Mathematics
Determine the real solutions to the system of nonlinear equations.x2 + y2 = 4x + y = 2
A. (0, 0), (2, -2) B. (2,-2), (-2, -2) C. (0, 2), (2, 0) D. (0, -2), (-2, 0)
Mathematics
Solve the problem. Round money amounts to the nearest cent.Lisa wants to buy a piece of nylon cord that measures 447 cm. The price is $3.17 per meter. How much will Lisa have to pay?
A. $7.09 B. $12.83 C. $14.17 D. $12.68
Mathematics