Subtract.3x9 + 6x8 + 9x7 + 1
A. 10x9 + 4x8 + 2x7 + 6
B. -4x9 + 8x8 + 16x7 - 4
C. 10x9 + 4x8 + 2x7 - 4
D. -4x9 + 4x8 + 2x7 + 6
Answer: B
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Find a set of parametric equations for the conic section or the line.The line segment starting at (2, -3) with t = 0 and ending at (14, -27) with 
A. x = 2t + 3, y = -3t - 6, for 0 ? t ? 4 B. x = 3t + 2, y = -6t - 3, for 0 ? t ? 4 C. x = -6t - 3, y = 3t + 2, for 0 ? t ? 4 D. x = -3t - 6, y = 2t + 3, for 0 ? t ? 4
Evaluate f(x) at the given value of x.f(x) = 4x - 4; x = -3
A. -16 B. -14 C. 15 D. 16
Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= -1
A. ? B. {3} C. {1} D. {-1}
The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.2%. Assuming a Malthusian growth model, find the world population in 29 years. ? Please enter your answer as a number of billions without the units, rounded to two decimal places.
Fill in the blank(s) with the appropriate word(s).