Represent the linear system as an augmented matrix. 5x + 3y = 36 5y = 35
A. 
B. 
C. 
D. 
Answer: B
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
When is the body moving forward?
A. 0 < t < 1, 3 < t < 4, 5 < t < 7 B. 0 < t < 3, 3 < t < 5, 5 < t < 8 C. 0 < t < 1, 3 < t < 4, 5 < t < 7, 9 < t < 10 D. 0 < t < 8
Solve the problem.The power P (in W) generated by a particular windmill is given by 
where V is the velocity of the wind 
Find the instantaneous rate of change of power with respect to velocity when the velocity is 
Round answer to the nearest tenth.
A. 5.5 W/mph B. 41.0 W/mph C. 12.3 W/mph D. 0.5 W/mph
Complete.
= 
A. 
B. 
C. 
D. 
For the application, write a numerical expression and then evaluate. Answer with a complete sentence.Find the difference in altitude between a tower 8.5 meters above sea level and an underwater beach 5.8 meters below sea level.
A. -8.5 - 5.8; The difference in altitude is -14.3 meters. B. 8.5 - (-5.8); The difference in altitude is 14.3 meters. C. 8.5 - (-5.8); The difference in altitude is 2.7 meters. D. 8.5 - 5.8; The difference in altitude is 2.7 meters.