Solve the equation by completing the square.x2 + 8x - 5 = 0
A. {4 + 
}
B. {-1 - 
, -1 + 
}
C. {-4 - 2
, -4 + 2
}
D. {-4 - 
, -4 + 
}
Answer: D
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Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 2x+1 - 3; relative to f(x) = 2x
A. Moved right 1 unit(s);
moved up 3 unit(s)
B. Moved left 1 unit(s);
moved down 3 unit(s)
C. Moved left 1 unit(s);
moved up 3 unit(s)
D. Moved right 1 unit(s);
moved down 3 unit(s)
Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. State the range of g.
A. {January, February, March, April} B. {(January, 2000), (February, 2057), (March, 2041), (April, 2062)} C. {2000, 2057, 2041, 2062} D. {(2000, January), (2057, February), (2041, March), (2062, April)}
Differentiate.f(x) = e3x tan(x2)
A. 3ex tan x2 + e3x sec2 x2 B. 3e3x tan x2 + 2xe3x sec2(x2) C. 6xex sec2 x2 D. 3ex sec2 x2 E. none of these
Evaluate.|-x| if x = -14
A. 14 B. -1 C. 1 D. -14