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3 questions tagged with unknown input.
If (f(x)=6x+2) and (f(a)=38), what is the value of (a)?
A. (6)
(f(a)=6a+2).
From (6a+2=38), we get (6a=36).
Therefore (a=6). चरण 1: (f(a)=6a+2) होगा। चरण 2: (6a+2=38) से (6a=36)। चरण 3: इसलिए (a=6)।
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If (f(x)=4x-1) and (f(a)=19), what is the value of (a)?
A. (5)
(f(a)=4a-1).
From (4a-1=19), we get (4a=20).
Therefore (a=5). चरण 1: (f(a)=4a-1) होगा। चरण 2: (4a-1=19) से (4a=20)। चरण 3: इसलिए (a=5)।
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If (f(x)=2x+3) and (f(a)=11), what is the value of (a)?
A. (4)
(f(a)=2a+3).
Given (2a+3=11), so (2a=8).
Hence (a=4). चरण 1: (f(a)=2a+3) होगा। चरण 2: दिया है (2a+3=11), इसलिए (2a=8)। चरण 3: अतः (a=4)।
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