Solve the absolute-value inequality.
- 4 > 12
A. {b
b < -10 or b > 14}, or (-?, -10) ? (14, ?)
B. {b
b < -14 or b > 18}, or (-?, -14) ? (18, ?)
C. {b
-14 < b < 18}, or (-14, 18)
D. {b
b < -14 or b > 10}, or (-?, -14) ? (10, ?)
Answer: B
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Arrange the polynomial in descending powers of the variable. Then find its degree and leading coefficient.-3x3 - 8x4 + 19x5 + 12
A. -3x3 - 8x4 + 19x5 + 12, degree: 12, leading coefficient: -3 B. 19x5 - 8x4 - 3x3 + 12, degree: 5, leading coefficient: 19 C. -3x3 - 8x4 + 19x5 + 12, degree: 5, leading coefficient: -3 D. 19x5 - 8x4 - 3x3 + 12, degree: 13, leading coefficient: 19
Find an equation for the circle graphed below.
A. (x + 2)2 + (y - 2)2 = 16 B. (x + 2)2 + (y - 2)2 = 4 C. (x - 2)2 + (y + 2)2 = 16 D. (x - 2)2 + (y + 2)2 = 4
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A. 3 or ?3
B. 
or ?
C. 3
D. 
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A. -1 B. 1 C. 3 D. Continuous at all values of x