For the given function, use the graph to identify x-values for which 
. You may use the derivative to check your conclusion.
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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The graph of a function f is given. Use the graph to answer the question.What is the y-intercept?
A. -20 B. 17.5 C. 25 D. -15
Mathematics
Graph the line, finding intercepts to determine two points on the line.6y - 3x = -9
A. x: 
; y: (0, -3)
B. x: 
; y: (0, 3)
C. x: (3, 0); y: 
D. x: (-3, 0); y: 
Mathematics
Solve the problem.The profit function for a product is given by P(x) = -0.1x3 + 16.5x2 - 530x - 12,000 dollars, where x is the number of units produced and sold. Determine the levels of production and sale that give break-even.
A. 100 units B. 80 or 100 units C. 120 units D. 90 or 120 units
Mathematics
Solve. If no solution exists, state this.
= 
A. -6 B. -18 C. 1 D. 3
Mathematics