Find the domain of f(x).f(x) = ?5x + 7?
A. 
B. {x? x is a real number and x ? -0.7142857}
C. ? the set of all real numbers
D. {x? x is a real number and x ? -7}
Answer: C
Mathematics
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Find the Taylor polynomial of order 3 generated by f at a.f(x) = x2 + x + 1, a = 2
A. P3(x) = 7 + 5(x - 2) + 5(x - 2)2 + 7(x - 2)3 B. P3(x) = 1 + 3(x - 2) + 3(x - 2)2 + (x - 2)3 C. P3(x) = 3 + 5(x - 2) + 7(x - 2)2 D. P3(x) = 7 + 5(x - 2) + (x - 2)2
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A. 2d2 B. 2d3 - 3d2 C. 2d3 - 2d2 D. 4d + 1
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Solve the equation.m - 19 = -18
A. -37 B. -1 C. 1 D. 37
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Solve the problem.A hardware store had monthly sales of $52,600 and spent 20% of it on promotions. How much was spent on promotions?
A. $263,000 B. $10,520 C. $105,200 D. $26,300
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