Perform the indicated operation. Write the result in the form a + bi.6i + (-9 - i)
A. 9 - 5i
B. 9 - 7i
C. -9 + 7i
D. -9 + 5i
Answer: D
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Solve the logarithmic equation.log (x + 10) - log (x + 4) = log x
A. 6 B. 2, -5 C. 2 D. No solution
Find the range of the given function.f(x) = 4x2 + 8x - 1
A. [-5, ?) B. [-1, ?) C. (-?, 5] D. (-?, 1]
Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.13m2 - 9m = 0
A. 
, - 
B. 0
C. 
, 0
D. - 
, 0
The map in figure shows driving distances and times between California and Nevada cities. Use Kruskal's algorithm to find the minimum spanning tree for the following cities: Santa Rosa, San Francisco, Oakland, Manteca, Yosemite Village, Merced, Fresno, and San Jose.
__________ mi
Fill in the blank(s) with the appropriate word(s).