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

Read the paragraph. Maria excels in gymnastics and tumbling. She has the commitment and dedication it takes to be successful in a demanding sport. The balance b
The average IQ of the populations of entire nations has risen substantially over time. This is a phenomenon called the _____ effect.
why are some people left-handed and others right-handed?!?!??!
f(x,y)=x10-3xy2then fz= A. 10 x9 - 3y2 B. 20 x9 - 3y2 C. 2y2 D. 10x10 + xy2 which option is correct please
I want the sentence he lives in a big city in negative form ​
Michelle did a survey in four butterfly parks and wrote the following observations:
The bridge broke because it was fragile to carry the load.​​​​
NEED ANSWER WITH WORK PLEASEEEEE QUICK !!
Select the correct answer. Ingrid has recently joined a publishing firm. During a conversation with her coworker Charlie, Ingrid disagrees with something Charli
The total amount of debt owed by the Federal government is represented by the total value of the outstanding: