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7. Sketch complete graphs of the following; indicate where the function is increasing/decreasing, has local extrema,...

7. Sketch complete graphs of the following; indicate where the function is increasing/decreasing, has local extrema, where the graph is concave up or concave down, asymptotes and coordinate intercepts

(a) ?(?)=(1/5)?5−? (b) ?(?)=(3?+2)/?

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