Mathematics, 07.12.2019 01:31 karenjunior

The speed of a runner, in miles per hour, on a straight trail is modeled by ()2m2+9m2 - 12m) + 7, where m is the runner's distance, in miles, from the start of the trail. what is the maximum speed of the runner for 0 s m s3? (a) 6.5 (b) 6.6 (c) 7.0 (d) 7.5 15.

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The speed of a runner, in miles per hour, on a straight trail is modeled by ()2m2+9m2 - 12m) + 7, wh...