Using the concepts of graphing inequalities, determine the inequality which describes the graph.

A. y ? x
B. y ? -x
C. y ? -x
D. y ? x


Answer: C

Mathematics

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Calculate the flow in the field F along the path C.F = ey2i + j  + 3k , C is the curve r(t) = 6t2i + 6tj + (5 - 5t)k , 1 ? t ? 3

A. (e324 - e36) + ln 3 - 30
B. (e324 - e36) + ln 3 + 30
C. (e324 - e36) + ln 3 - 30
D. 6(e324 - e36) + ln 3 - 30

Mathematics

The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 11 sin t - cos tFind the body's jerk at time t = ?/4 sec.

A. 6  m/sec3
B. - 6  m/sec3
C. - 5  m/sec3
D. 5  m/sec3

Mathematics

Graph the solution set of the system of inequalities or indicate that the system has no solution.y > -1x ? -4

A.

B.

C.

D.

Mathematics

Solve the problem.If a rocket is propelled upward from ground level, its height in meters after t seconds is given by  During what interval of time will the rocket be higher than 147 m?

A. 0 < t < 3 B. 5 < t < 6 C. 6 < t < 8 D. 3 < t < 5

Mathematics