Solve the problem.The polynomial G(x) = -0.006x4 + 0.140x3 - 0.53x2 + 1.79x measures the concentration of a dye in the bloodstream x seconds after it is injected. Does the concentration increase between 13 and 14 seconds?
A. No
B. Yes
Answer: B
Mathematics
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Evaluate the determinant.
A. 10x3 - 3x + 81 B. 10x3 + 3x + 81 C. 8x3 + 3x - 81 D. 8x3 + 3x + 81
Mathematics
Sketch the surface z = f(x,y).f(x, y) = 1 - 
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank.A fraction written as a percent is greater than 100% when the numerator is 
than the denominator.
A. greater B. less
Mathematics
Solve.Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 5 miles per hour and Dave bikes at 8 miles per hour. How long will it be until they are 29 miles apart from each other?
A. 9
hr
B. 
hr
C. 
hr
D. 2
hr
Mathematics