Find the maximum depth using the given function

Reference no: EM1318345

Find the maximum depth using the given function.

Suppose the function d(t) = t² - 14t models the depth of a scuba diver at time t, as she dives underwater from a steep shoreline, reaches a centa depth, and swims back to the surfaces.

a. What is her depth after 4 sec? After 6 sec?

b. What was the maximum depth of the dive?

c. How many seconds was the diver beneath the surface?

Reference no: EM1318345

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