Sketch the graph.The electromotive force for an electric circuit with a simplified generator is 
where t is the time in seconds. Graph the function for 
A. 
B. 
C. 
D. 
Answer: D
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Graph the horizontal or vertical line.x = -5
A. 
B. 
C. 
D. 
Completely factor the polynomial or state that the polynomial is prime.15x2 + 26x + 8
A. (15x + 4)(x + 2) B. (3x - 4)(5x - 2) C. prime D. (3x + 4)(5x + 2)
Match the system of inequalities with the appropriate graph.3x + 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 
Solve the problem.Consider the quadratic model h(t) = -16t2 + 40t + 50 for the height (in feet), h, of an object t seconds after the object has been projected straight up into the air. Find the maximum height attained by the object. How much time does it take to fall back to the ground? Assume that it takes the same time for going up and coming down.
A. maximum height = 75 ft; time to reach ground = 2.5 seconds B. maximum height = 50 ft; time to reach ground = 2.5 seconds C. maximum height = 75 ft; time to reach ground = 1.25 seconds D. maximum height = 50 ft; time to reach ground = 1.25 seconds