We’ve seen that natural numbers are closed under addition. Determine the closure of natural numbers under the other three operat
ions, and give examples to support your answers.
1 answer:
Natural numbers are not closed under subtraction. In fact, any operation has no solution using natural numbers.
Natural numbers are closed under multiplication. In fact, any operation means to sum
by itself
times, and we already know that natural numbers are closed under sum.
Natural numbers are not closed under division. In fact, if doesn't divide
, any operation
has no solution using natural numbers.
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Answer:
Cost of per session the average rate is $45.
Step-by-step explanation:
It is given that a gym membership with two personal training session cost $125, while gym membership with five personal training sessions cost $260.
It is required to find what is the cost per session.
Step 1 of 1
It is given that a gym membership with two personal training session cost $125, while gym membership with five personal training sessions cost $260.
To find the cost of per session calculate the average rate.
Now let $f(x)$ be the cost per session use the for the average rate of change, and the input value is the number of personal traings x.
Now substitute, $125 for , 260 for
for
and 5 for
then,
Cost of per session the average rate is $45.