One third of all Lily's dog toys are red. What if Lily has 6 toys that are red? How many dog toys would she have? Lily has dog t
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Since x can't be zero (it sits at the denominator of the left hand side), let's split cases:
If x is positive
It this case, we can multiply both sides by x without changing the inequality sign:
But since we're assuming that x is positive, we can only accept the numbers between 0 and 1.
If x is negative
It this case, in order to multiply both sides by x we have to change the inequality sign:
But since we're assuming that x is negative, we can only accept the numbers which are smaller than -1.
So, putting all the pieces together, we have that the solution is given by the following interval:
Answer:
Domain is
Average rate of change of bacteria per minute is -3333.33.
Step-by-step explanation:
Domain is the possible values of .
From the graph, it's clear that the values ranges from 0 to 18 as the end points of the graph are
and
So, domain of the function is .
Now, average rate of change is negative as there is bacteria decay.
Average rate of change is given as the negative ratio of y intercept to the x intercept.
Here, x-intercept is 18 and y-intercept is 60000.
So, average rate of change is given as,
Therefore, average rate of change of bacteria per minute is -3333.33.