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May 20, 2013

# Homework Help: maths

Posted by Anonymous on Tuesday, August 9, 2011 at 6:38am.

Find the equation of the curve through (4,2) whose tangent (for x > 0)
forms an angle with the x-axis, the tangent of which is equal to 1 . Sketch the curve for x
x > 0.

• maths - bobpursley, Tuesday, August 9, 2011 at 7:24am

tangent is slope.

so for x>0, the slope is 1

constant slope, is straight line.

y=mx+b m=1
2=1*4+b
b=-2
y=x-2 is the equation

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