Graph the step function.f(x) = 
A. 
B. 
C. 
D. 
Answer: A
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Solve by the substitution method. If the system is inconsistent or dependent, say so.6x + 9y = -54 -3x + 4y = -24
A. (-1, -5) B. No solution C. (0, -6) D. (0, -5)
Use the distributive property to write the expression without parentheses. Then simplify, if necessary.9(x + 7y + 4)
A. 9x + 63y + 36 B. 9x - 63y - 36 C. 9x + 7y + 4 D. 9x + 63y + 4
Provide an appropriate response.A bit is one-eighth of a dollar. Write a bit as a decimal.
A. 0.00125 B. 0.125 C. 0.18 D. 12.5
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 (-0.61, -5.64) local maximum at (1.41, 6.12) 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 (-1, -6) local maximum at (1, 6) local minimum at (3, -3) D. local minimum at (-0.57, -6.12) local maximum at (1.32, 5.64) local minimum at (3, -3)