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secondary 4 | A Maths
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Pleas help with (b). and What do it mean when y=-1 is tangent to curve? Thankss
Date Posted: 5 years ago
Views: 277
That means the line y= -1 touches the curve at only one point. So at that point,
y = -1
And, y = -1 is a horizontal line. This means the gradient is 0. So gradient = 0 across the line (and also at the point where it touches the curve)
y = -1
And, y = -1 is a horizontal line. This means the gradient is 0. So gradient = 0 across the line (and also at the point where it touches the curve)
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