Find the specified vector or scalar.u = -11i - 2j, v = 4i + 7j; Find u - v.
A. -16i + 5j
B. -15i - 9j
C. -7i + 5j
D. -17i + 5j
Answer: B
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The population N, in thousands, of a small town after t years is given in the following table. Use exponential regression to determine the population after 19.15 years. Round your answer to two decimal places. t 1.35 4.61 8.53 11.67 15.15 N 22.22 12.44 6.83 3.66 2.13?
A. 2.54 thousand B. 1.49 thousand C. 4.25 thousand D. 0.99 thousand
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.2 x + 6 = 5
A. {1.21} B. {-3.68} C. {-0.38} D. {6.43}
Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)c2 + d2 + f2 = g2, for c
A. c = g2 - d2 - f2
B. c = ±
C. c = g - d - f
D. c = -g + d + f
Arrange in order from smallest to largest.0.051, 0.015, 0.011, 0.055
A. 0.011, 0.051, 0.015, 0.055 B. 0.011, 0.015, 0.051, 0.055 C. 0.055, 0.051, 0.015, 0.011 D. 0.011, 0.055, 0.015, 0.051