The number of units produced by the worker during t hours of work can be modelled by the following function:

To find the number of units produced during first 3 hours, we can substitute 3 for t. This will give us the number of units produced by the worker during first 3 hours.

Thus the worker will produce 67 units during the first 3 hours of the work.
Its the answer 764 so the surface area would be 764
Answer: is it a function-yes
why: none of the y values are the same
Step-by-step explanation:
The answer for this is 0.7