G Gibson New member Joined Jan 5, 2006 Messages 2 Jan 5, 2006 #1 Find the equations of the tangents to the graph of y=4x^3 that have a slope 3. The other one that i am having difficulty with is For y=0.75x^2, find the rate at which the value of y is changing when x=3.
Find the equations of the tangents to the graph of y=4x^3 that have a slope 3. The other one that i am having difficulty with is For y=0.75x^2, find the rate at which the value of y is changing when x=3.
C ChaoticLlama Junior Member Joined Dec 11, 2004 Messages 199 Jan 5, 2006 #2 Power rule y = x^n where n belongs to real numbers dy/dx = n * x^(n-1) that is the basic power rule, and can be applied here to solve your problems. Please post if you get stuck along the way.
Power rule y = x^n where n belongs to real numbers dy/dx = n * x^(n-1) that is the basic power rule, and can be applied here to solve your problems. Please post if you get stuck along the way.
G Gibson New member Joined Jan 5, 2006 Messages 2 Jan 6, 2006 #3 Help Still needed ChaoticLlama said: Power rule y = x^n where n belongs to real numbers dy/dx = n * x^(n-1) that is the basic power rule, and can be applied here to solve your problems. Please post if you get stuck along the way. Click to expand... I got the second question but i didnt get the first one
Help Still needed ChaoticLlama said: Power rule y = x^n where n belongs to real numbers dy/dx = n * x^(n-1) that is the basic power rule, and can be applied here to solve your problems. Please post if you get stuck along the way. Click to expand... I got the second question but i didnt get the first one
