What is 1.1 in fraction form?
1 answer:
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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