Solve the problem.The NSC Corporation has just completed its first year of business. The following chart shows its monthly profit (or loss).MonthProfit (Loss) in DollarsJanuary-14,526February1874March-8977April-14,107May14,073June14,632July-13,834August-13,170September-4860October6630November-3338December-974The absolute value of the profit or loss was smallest in
.
A. February
B. June
C. January
D. December
Answer: D
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r2 = 40r cos ? - 6r sin ? - 9
A. (x - 20)2 + (y + 3)2 = 400 B. (x + 40)2 + (y - 6)2 = 9 C. 40x - 6y = 9 D. (x - 20)2 + (y + 3)2 = 9
Mathematics
Graph the linear function on a graphing calculator, using the window given. State whether the window shows a comprehensive graph.f(x) = -4x - 22; window: [-22, 1] by [-8, 28]
A. No B. Yes
Mathematics
Classify the polynomial as a monomial, binomial, trinomial, or none of these.-18x2
A. binomial B. trinomial C. monomial D. none of these
Mathematics
Solve the equation.log21(x + 84) = 3 - log21x
A. {63} B. {-63} C. {-147} D. {147}
Mathematics