A motor with an efficiency of 75% must supply 240 j of useful work. what amount of work must be supplied to the motor? j 180 j 3
2 answers:
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Answer:
Step-by-step explanation:
The given function is
The range refers to the values of y for which x is defined.
We solve for x to obtain;
This is a polynomial function in y.
x is defined for all values of y.
Therefore the range is all real numbers.
or
The first choice is correct.
