Find the leading term and the leading coefficient.7 + 2x4 - 12x - 5x3 + 13x2
A.
| Leading Term: 7 | Leading Coefficient: 7 |
B.
| Leading Term: 2x4 | Leading Coefficient: 7 |
C.
| Leading Term: 2x4 | Leading Coefficient: 2 |
D.
| Leading Term: -5x3 | Leading Coefficient: -5 |
Answer: C
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Solve the problem.A sawmill trims rough cut boards to look smooth. When a board is rough cut, it is 4 inches wide. When it is trimmed, it is 3
inches wide. How much width was trimmed off?
A. 4
inches
B. 
inch
C. 
inches
D. 
inch
If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. x2 - 6x + 4y + 25 = 0
A. F: (3, -5); D: y = -3
B. F: (3, -3); D: y = -5
C. F: 
; D: y = - 
D. F: (3, -8); D: y = 0
Solve the problem.The population of a city at the beginning of 2005 is 1,259,000. What will the population of the city be at the beginning of 2015 if it decreases by 2.4% each year? Round to the nearest whole number.
A. 963,771 B. 1,011,752 C. 987,470 D. 956,840
Write the exponential equation as an equation involving a logarithm.2-2 = 
A. log-2
= 2
B. log2-2 = 
C. log2
= -2
D. log1/42 = -2