If you know that a < b, and both a and b are positive numbers, then what must be true about the relationship between the oppo
2 answers:
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Answer:
It is proved that exixts at (0,0) but not differentiable there.
Step-by-step explanation:
Given function is,
- To show exixtance of
we take,
exists.
And,
exists.
- To show f(x,y) is not differentiable at the origin cheaking continuity at origin be such that,
where m is a variable.
which depends on various values of m, therefore limit does not exists. So f(x,y) is not continuous at (0,0). Hence it is not differentiable at (0,0).
Answer:
Grace could have 1.36 pounds, 1.37 pounds, 1.38 pounds or 1.39 pounds of apples.
Step-by-step explanation:
Let a represent pounds of apples.
We have been given that Grace has 1.35 pounds of strawberries. She has more pounds of apples than pounds of strawberries.
This means that a is greater than 1.35. We can represent this information in an inequality as:
We are also told that Grace has 1.4 pounds of bananas. She has fewer pounds of apples than pounds of bananas. This means that a is less than 1.4. We can represent this information in an inequality as:
Upon combining both inequalities, we will get:
Therefore, Grace could have 1.36 pounds, 1.37 pounds, 1.38 pounds or 1.39 pounds of apples.