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Find the values of x and y for which dy/dx = 0 in y= x^3 - 4x^2 - 3x +2

dy/dx = 3x 2 - 8x - 3 when dy/dx = 0 , 0 = 3x 2 - 8x - 3 Factorise : 0= (3x + 1)(x - 3) when 3x+1 =0 , x = -1/3when x-3=0 , x =3 so x = -1/3 , 3co-ordinates are : (-1/3, 68/27), (3, -16)
MC
Answered by Mahir C. • Maths tutor
6566 Views

What is meant by a pro-choice approach to abortion?

Abortion is a complex issue within today's world, with conflicting views on the acceptance or dismissal of the procedure. There are many powerful arguments for and against abortion. A pro-choice approach foc...
CW
2274 Views

How do vaccines work?

Pathogens can cause diseases. We can prevent a pathogen from causing a disease in an individual by giving them a vaccine which can make them immune to the pathogen. We do this by taking a dead/weakened form ...
AB
Answered by Alex B. • Biology tutor
2412 Views

Gemma has the same number of sweets as Betty. Gemma gives 24 of her sweets to Betty. Betty now has 5 times as many sweets as Gemma. Workout the total number of sweets that Gemma and Betty have.

Number of sweets = xG=B Gemma and Betty have the same number of sweetsx=x 5(x-24) = x +24 Gemma gives 24 of her sweets to Betty. Betty now has 5 times as many sweets as Gemma.5x - 120 = x + 245x -x = 24 + 12...
KB
Answered by Kate B. • Maths tutor
14418 Views

Evaluate the claim that evidence of design leads to theism.

Explain the claim, then evaluate: Evidence of design in the world such as the complexity of the human eye, or the Fibonacci sequence displayed in nautilus shells.This complexity and intelligence observable i...
JL
1605 Views