Write each inequality in interval notation and graph the interval on a number line.x > 2
A. (-?, 2]
B. (2, ?)
C. (-?, 2)
D. [2, ?)
Answer: B
Mathematics
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When the graph of directed distance reaches a minimum (at a valley), what can be said about velocity at this point?
A. Velocity is a linear function. B. Velocity reaches a minimum. C. Velocity reaches a maximum. D. Velocity is 0.
Mathematics
Eliminate the parameter of the pair of parametric equations.x = t - 3, y = t2 + 5
A. y = x2 - 14 B. y = x2 + 6x + 14 C. y = x2 - 6x - 14 D. y = x2 + 14
Mathematics
Find the area of the figure. Use 3.14 for ?.
A. 1282.08 cm2 B. 1508.16 cm2 C. 1131.36 cm2 D. Not enough data
Mathematics
Write the expression as one logarithm.5 log (x + 3) - 6 log (x2 + 4) + 
log y
A. 6 log 
B. log 
C. log 
D. - 
log 
Mathematics