Use the given table for f(x) = ax2 + bx + c to solve the inequality f(x) < 0.?
?
A. -7 < x < 7
B. -6 < x < 6
C. x < -7 or x > 7
D. x < -6 or x > 6
Answer: B
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Write both the expression and the result of the expression.the sum of 4 and 3
A. expression: 7 + 3; result: 8 B. expression: 4 - 3; result: 3 C. expression: 4 + 3; result: 7 D. expression: 4 × 3; result: 12
A patient's skull is x-rayed from a distance (FFD) of 18cm and an exposure time of 0.3s. If a second x-ray is ordered at a distance of 30cm, what should the exposure time be assuming the current setting is not changed?
A. 0.83s B. 0.5s C. 0.11s D. 0.18s
Factor the expression by grouping terms. : 2x³ + x² - 6x - 3
What will be an ideal response?
Find an equation of the line that contains the given point and is perpendicular to the given line.y = 
x + 4, (3, 4)
A. y = - 8x + 28
B. y = - 8x - 28
C. y = 8x - 28
D. y = - 
x - 