Evaluate the expression.-73
A. 21
B. -21
C. -343
D. 343
Answer: C
Mathematics
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Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
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Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.6 times a number added to -8, added to 6 times the sum of 9 times the number 
A. 6x - 8 + 6(9 + 7x); 48x + 60 B. 6(-8 + x) + 6(9x + 7); 60x - 41 C. 6(9x + 7) + [6x + (-8)]; 60x + 34 D. 6(-8 + x) + 6(9 + 7x); 13x + 6
Mathematics
Solve.Last year a small company paid its sales staff $81,800 in commissions. If the commission rate was 2%, what was last year's sales total for the company?
A. $40,900 B. $4,090,000 C. $1,636,000 D. $1636
Mathematics
function is given by f (x) = 3x2 ?5 . Find
(a) f (?7) . (b) f (x +1) .
Mathematics