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

jake does not think the guard will return tonight true false
Compute the scale factor of the new scale drawing (SD2) to the first scale drawing (SD1) using the information from the given scale drawings. ​
4x+4y+4\ -2x-7+y Simplify the expression.
According to the text, how do the Roaring Twenties develop over time? Cite evidence from the text to support your answer.
Briefly explain ONE major difference between Wood’s and Bailyn’s historical interpretations of why the American colonies rebelled against the British.
It's looking for the solved answer, not the simplified expression (no variable in final answer)
you have learned about three religions of colonies. move each tile into the correct box based on what you have learned.
Ill give brilliant if answers are Right
How many moles of argon, Ar, are in 1.63×1024 Ar atoms?
What other books, movies, tv shows, etc. does “The Hate U Give” book make you think of? Explain.