Find the average rate of change for the function over the given interval.y = 7x3 + 3x2 - 3 between x = 1 and x = 5
A. 
B. 188
C. 
D. 235
Answer: D
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Without solving, determine the character of the solutions of the equation in the complex number system.x2 - 3x - 4 = 0
A. a repeated real solution B. two unequal real solutions C. two complex solutions that are conjugates of each other
Determine whether the argument in the problem below is valid or invalid. If valid, name the type of reasoning and if invalid, determine the error in reasoning. ? All mathematicians are clever men. All clever men are rich. Therefore, all mathematicians are rich. ?
A. invalid; direct B. valid; indirect C. valid; direct D. invalid; false chain E. valid; transitive
Solve the problem.The height h in feet of a frisbee thrown is given by 
, where x is the time traveled in seconds. The frisbee is released at a height of 
At what time will the height of the frisbee be 
again? (Round your answer to the nearest tenth of a second, if necessary.)
A. The height of the frisbee will never be 3 feet again. B. 10.1 sec C. 5.1 sec D. 12.5 sec
Perform the desired operation. Write the answer in the form a + bi.(5 + 6i)(5 - 6i)
A. 61 B. 25 - 36i C. -11 D. 25 - 36i2