Respuesta :

cierragibberish
in the equation you have to replace all x's with -1

f (-1) = (-1)^2 - 8(-1) +5
f (-1) =  1 + 8 + 5
f (-1) = 14

the f(-1) stand for the function of -1. it is also equivalent to y

Answer:

f(-1)=14

Step-by-step explanation:

Given : Function - [tex]f(x)=x^2-8x+5[/tex]

To find : The value of f(-1)

Solution : Follow the steps :

Step 1- Write the function

[tex]f(x)=x^2-8x+5[/tex]

Step 2- Put x=-1 to find the value of f(-1)

[tex]f(-1)=(-1)^2-8(-1)+5[/tex]

Step 3- Solve the above equation

[tex]f(-1)=1+8+5[/tex]

[tex]f(-1)=14[/tex]

Therefore, f(-1)=14

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