Solve the equation.
(x - 5) + 
(x + 2) = x + 1
A. ?
B. {6}
C. {-6}
D. {all real numbers}
Answer: B
Mathematics
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Change the given polar coordinates (r, ?) to rectangular coordinates (x, y).
A. 
B. 
C. 
D. 
Mathematics
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3(1 - ex), x > 0; relative to f(x) = ex
A. Stretched vert; reflected across x-axis;
moved up 3 unit(s)
B. Stretched horiz; reflected across y-axis;
moved down 1 unit(s)
C. Stretched horiz; reflected across x-axis;
moved down 3 unit(s)
D. Stretched vert; reflected across y-axis;
moved up 1 unit(s)
Mathematics
Use a calculator to evaluate the expression. Round your answer to three decimal placeslog 
A. -2.513 B. -0.916 C. 0.398 D. -0.398
Mathematics
Perform the indicated operation.
+ 7b
+ 5
A. 252ab
B. 54ab2
C. 252b
D. 54b
Mathematics