What is the domain of the function y=3 in x graphed below?
2 answers:
Answer:
domain is x>0
Step-by-step explanation:
domain is the set of x values for which the function is defined
ln(negative value ) is undefined
So we take positive values for x because we have ln(x)
From the graph we can see that the given equation has a graph for x values greater than 0
the graph goes close to 0 but does not crosses y axis
So domain is x>0
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Answer:
Jenny save 4 times for the month
Step-by-step explanation:
Given Jenny has saved over the last 12 months.
She saved either or
a month.
Let the number of months to save be x
Let the number of months to save be y
Total period is 12 month.
Jenny has saved $3,800 over the last 12 months.
Dividing both side from 50 we get,
Now Multiplying equation 1 by 5 we get,
Now Subtracting Equation 3 by equation 2 we get,
Substituting the value of y in equation 1 we get,
∴ Jenny save 4 Months of and 8 Months of
in a 12 month duration