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2m³ + 9m² - 19m - 11

Step-by-step explanation:

3f(m) - 2g(m)

= 3(3m² - 5m + 1) - 2(- m³ + 2m + 7) ← distribute parenthesis

= 9m² - 15m + 3 + 2m³ - 4m - 14 ← collect like terms

= 2m³ + 9m² - 19m - 11

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation:

1/800 is the right answer