Determine whether the graph of the quadratic function y = –3x2 + 2x + 5 opens upward or downward. Explain.
1 answer:
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Answer:
36 minutes
Step-by-step explanation:
Depth of the fjord = 1308 m
Rate at which the submersible dives = 35 meters/minute
Distance to the bottom of the fjord should be 48 m
Distance the submersible has to go underwater is
Time is found by dividing the distance the submersible has to go underwater by rate at which the submersible dives
The time taken by the submersible to dive the required distance is 36 minutes.