coolercoolbeans coolercoolbeans

23-11-2020
Mathematics

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f(x)=2/5x+k
f(-15) = 12
What is the value of k?

Respuesta :

jimrgrant1 jimrgrant1

23-11-2020

Answer:

k = 18

Step-by-step explanation:

Given

f(x) = [tex]\frac{2}{5}[/tex] x + k

f(- 15) = 12 , then

[tex]\frac{2}{5}[/tex] × - 15 + k = 12 , that is

- 6 + k = 12 ( add 6 to both sides )

k = 18

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