Determine all critical points for the function.f(x) = x2 + 8x + 16
A. x = 0
B. x = -4
C. x = 4
D. x = -8
Answer: B
Mathematics
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Find the center and the radius of the circle.x2 + y2 - 6x - 12y + 36 = 0
A. (3, 6); r = 3 B. (-3, -6); r = 3 C. (3, -6); r = 3 D. (-3, 6); r = 3
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Use scientific notation to solve the problem.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 x 105 miles per second.
A. 6.0 x 105 miles B. 6.0 x 1014 miles C. 6.0 x 107 miles D. 6.0 x 1012 miles
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Determine the indefinite integral.
A. sech x tanh x + C
B. tanh2 x + C
C. 
+ C
D. sech2 x + C
Mathematics
Solve the problem.For what positive numbers will the cube of a number exceed 7 times its square?
A. x|0 < x < 7} B. x|x > 49} C. {x|x > 7} D. x|0 < x < 49}
Mathematics