shahjuli25 shahjuli25

22-07-2021
Mathematics

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If f:X is 3x + b and ff(2) = 12, find the value of b

Respuesta :

MrRoyal MrRoyal

27-07-2021

Answer:

[tex]b =6[/tex]

Step-by-step explanation:

Given

[tex]f(x) =3x + b[/tex]

[tex]f(2) = 12[/tex]

Required

Find b

[tex]f(2) = 12[/tex] implies that:

[tex]12 = 3 * 2 + b[/tex]

[tex]12 = 6 + b[/tex]

Collect like terms

[tex]b = 12 - 6[/tex]

[tex]b =6[/tex]

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