(a)
Observe the graph .
Slope of a tangent line with points and : .
Consider two points on the tangent line which has one of the point .
The points on the tangent line are and .
Slope of the tangent line : .
The slope of the tangent line at is .
Consider two points on the tangent line which has one of the point .
The points on the tangent line are and
Slope of the tangent line: .
The slope of the tangent line at is .
(b)
Observe the graph .
Slope of a tangent line with points and : .
Consider two points on the tangent line which has one of the point .
The points on the tangent line are and .
Slope of the tangent line: .
The slope of the tangent line at is .
Consider two points on the tangent line passing through the point .
The points on the tangent line are and
Slope of the tangent line: .
The slope of the tangent line at is .
(a)
The slope of the tangent line at is .
The slope of the tangent line at is .
(b)
The slope of the tangent line at is .
The slope of the tangent line at is .
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