Hello, I hope someone can help me with this problem: Let for all x. Find values of and such that the line is tangent to the graph of f at the point (2,4). Thanks.
Follow Math Help Forum on Facebook and Google+
Nice one. First you need to find out what the gradient of the tangent is. You do that by differentiating the function. Then you look at what values for a and b give you the equation of the line you've been given. Need more?
View Tag Cloud