5-4 Analyzing Graphs of Polynomial Functions
Graph each polynomial function. Estimate the x-coordinates at which the relative maxima and relative
minima occur. State the domain and range for each function.
3
2
10. f (x) = 3x
– 6x
– 2x + 2
SOLUTION:
Graph:
Relative maxima at
;
Relative minima at
Domain: {All real numbers}
Range: {All real numbers}
3
2
12. f (x) = –x
– 3x + 4
+ 2x
SOLUTION:
Graph:
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