For the function, find the average rate of change of f from 1 to x: 
f(x) = x3 - x
A. 1
B. x2- x
C. 
D. x2+ x
Answer: D
Mathematics
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Solve using the elimination method.x + y = -5x - y = -1
A. (-3, -2) B. No solution C. (-4, -1) D. (3, -1)
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."A number divided by -6
A. 
B. x - (-6)
C. 
D. -6x
Mathematics
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The following table shows the number of rectifiers, in thousands, produced by Allied Electronics in the three years considered. For a function of the form f(x) = ax2 + bx + c that fits this data, what is the value of b? 
A. 10 B. 11 C. 12 D. 9
Mathematics