Keylian0221 Keylian0221

01-10-2020
Mathematics

contestada

What is the value of this function evaluated at f(-3)? f(x)= 2x^2+5x-9

Respuesta :

BrainLifting BrainLifting

01-10-2020

Answer:

f(-3)=-6

Step-by-step explanation:

[tex]f(x)=2x^2+5x-9\\By\ substituting\ x=-3,\\f(-3)=2(-3)^2+5*-3-9\\f(-3)=2*9-15-9\\f(-3)=18-15-9=-6[/tex]

Answer Link

Otras preguntas

I said no it's not a function but why isn't it a function?

50 points! Can anyone help with writing a poem explaining the 23rd amendment?

If X = 18 inches, Y = 80 inches, and Z = 82 inches, what is the cosine of B?

Which statement correctly explains how Mari should find a solution to the following system of linear equations using elimination? 2f-5g=-9 -7f+3g=4 Multiply the

Find the greatest common factor of the pair of numbers. 348 and 426 3 6 12 9

The book is to kill a mockingbird

Among 420 randomly selected employees at a company, the mean number of hours of overtime worked per month is 10 hours and the standard deviation is 1.6. what is

Use Boyle’s Law to solve for the missing value in each of the following: a, P1 = 350.0 torr, V1= 200 ml P2 = 700 torr V2=? b, P1 =180 mmHg V1= 2.4

What does william goldings novel lord of the flies describe?

Sally was analyzing samples of DNA. She had DNA samples from bacteria, a whale shark, a bald eagle, and a human. Just by looking at the structure and components