12. Jeremy has $10.00 in quarters to spend on candy. What
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21 cans of dog food.
She gives 21/3, or 7 cans to her neighbor.
She now has 21 - 7, or 14 cans for her puppy.
Her puppy eats 4/7 cans a day.
Jasmine has 8 days supply of dog food for her puppy.
She gives 21/3, or 7 cans to her neighbor.
She now has 21 - 7, or 14 cans for her puppy.
Her puppy eats 4/7 cans a day.
Jasmine has 8 days supply of dog food for her puppy.
There are 2 tangent lines that pass through the point
and
Explanation:
Given:
The point-slope form of the equation of a line tells us that the form of the tangent lines must be:
For the lines to be tangent to the curve, we must substitute the first derivative of the curve for :
Substitute equation [2] into equation [1]:
Because the line must touch the curve, we may substitute
Solve for x:
±
±
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There are 2 tangent lines.
and