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raketka [301]
3 years ago
10

Two friends went to get ice cream sundaes. They each chose a flavor of ice cream from a list of vanilla and chocolate and toppin

gs from a list of hot fudge, strawberries, sprinkles, peanuts, and whipped cream. Use the sets below describing their choices and find A'.
Let A = {vanilla, chocolate, hot fudge, strawberries, sprinkles, peanuts, whipped cream}
Let B = {vanilla, hot fudge, sprinkles, whipped cream}
Let C = {chocolate, hot fudge, peanuts, whipped cream}

{vanilla, hot fudge, sprinkles, whipped cream}
{chocolate, strawberries, peanuts}
{chocolate, strawberries}
{vanilla, strawberries, peanuts}
Mathematics
1 answer:
vladimir2022 [97]3 years ago
7 0

Answer:

IDK

Step-by-step explanation:

I learn this but don't remember sorry

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Which points on the curve of x^2 - xy - y^2 = 5 have vertical tangent lines?
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We need to differentiate this with respect to x to see if we can find an expression for the derivative of y at various points.  That will be the slope of the tangent to the curve.  Then we want to see where that derivative might be infinite -- i.e., where the tangent is vertical.

 

It's not written as a function, but it can still be differentiated using the chain rule:

 

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Let's plug that in for y in the original equation to find points where that's the case.

 

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So at the point (-2, 1) the tangent is vertical.

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