When Is a Line Tangent to a Curve

question 37

Multiple Choice

When is a line tangent to a curve?  

• A) if the line tangent crosses the curve at one point 
• B) if the line tangent touches the curve at one point, without crossing it 
• C) it the line tangent crosses the curve at a minimum of two points 
• D) if the line tangent never touches the curve

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