Aresearch ship lowers a probe into the ocean to explore an underwater trench. the probe starts on a crane 19 feet above the surface and is lowered at a rate of 11.3 feet per minute. write an expression for the depth of the probe after m minutes. what is the depth of the probe after 90 minutes?

Depth of the probe after m minutes is given by

Depth of the probe after 90 minutes is given by

Step-by-step explanation:

Since we have given that

Position at which the probe starts on a crane above the surface = 19 feet

Speed at which it is lowered = 11.3 feet per minute

Time taken = m minutes

Expression will be given by

So, Depth of the probe after m minutes is given by

Since we have given time = 90 minutes

then, Depth of the probe after 90 minutes is given by

-8/2y-8=5/y+4-7y+8/y^2-16

we move all terms to the left:

-8/2y-8-(5/y+4-7y+8/y^2-16)=0

we can not solve this equation

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