Add or subtract as indicated. Express the answer as a single polynomial in standard form.(7x6 - 5x3 - 6) - (13x3 + 9x6 + 8)
A. -2x6 + 4x3 + 2
B. -2x6 - 18x3 + 2
C. -2x6 - 18x3 - 14
D. -34x9
Answer: C
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Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function B. not a function
Indicate whether the statement is true or false.Some rational numbers are integers.
A. true B. false
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
+ 5
A. 
B. 
C. 
D. 
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = x4 - 5x3 + 3x2 + 9x - 3; (-5, 5)
A. local minimum at (-0.57, -6.12) local maximum at (1.32, 5.64) local minimum at (3, -3) B. local minimum at (-3, -3) local maximum at (-1.32, 5.64) local minimum at (0.57, -6.12) C. local minimum at (-0.61, -5.64) local maximum at (1.41, 6.12) local minimum at (3, -3) D. local minimum at (-1, -6) local maximum at (1, 6) local minimum at (3, -3)