jessicagao0416 jessicagao0416

01-08-2022
Mathematics

contestada

Find the coordinates of the point on the curve y = 2x² - x - 1 at which the gradient is 7

Respuesta :

jsimpson11000 jsimpson11000

01-08-2022

Answer:

See below

Step-by-step explanation:

The derivative of the function is the slope

2x^2 - x -1 take derivative ( f ' )

4x -1 equate to 7

7 = 4x -1

x = 2 sub into the original equation to find y = 5

Answer Link

Otras preguntas

If Harriet rolls a number cube. What is the probability that the cube will land on a 3 or 4.

How many inches are there in 3.5 yards

Conducting business on a global scale is a part of ________? a. assimilation b. urbanization c. imperialism d. globalization

The 1622 Janissary Revolt against the Ottoman leadership was one of the situations that marked the beginning of the empire’s decline. a. True b. False

If y is proportional to x and y = -15 when x = -20, what is the value of x when y = 12?

4percent of what is 56

Which of Maslow's needs are related to our environmental health? a. physical b. social c. safety d. esteem

How do you convert gallons to cups?

Kerstin has a square tile.the perimeter of the tile is 32 inches.what is the length of each side of the tile

Keeping a journal is an effective way to practice which coping skill? A. offering encouragement B. offering support C. sharing memories D. managing feelings