Solve the equation by making an appropriate substitution.(3x - 7)2 - 4(3x - 7) - 12 = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response.Find the coordinates of all points (x, y) on the graph of the equation x2 - xy + y2 = 12 where the tangent is parallel to the 
A. (-4, -2), (-2, 2), (2, -2), (4, 2) B. (-2, -4), (2, 4) C. (-2, -4), (-2, 2), (2, -2), (2, 4) D. (4, -2), (4, 2)
Mathematics
Determine whether the function is even, odd, or neither.
f(x) = 2x² + 9x
Mathematics
Graph the pair of parametric equations with the aid of a graphing calculator.x = 3 cos t + cos 3t, y = 3 sin t - sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Solve.The population of a city decreased from 1,127,000 in 1995 to 936,000 in 2005. What is the percent decrease? Round your answer to the nearest tenth of a percent.
A. 1.7% B. 20.4% C. 16.9% D. 17.5%
Mathematics