If (f(x)=x-2+kx+1) and (f(2)=15), what is the value of (k)?
A. (5)
(f(2)=22+2k+1=5+2k).
Given (5+2k=15).
(2k=10), so (k=5). चरण 1: (f(2)=22+2k+1=5+2k)। चरण 2: दिया है (5+2k=15)। चरण 3: (2k=10), इसलिए (k=5)।
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Correct Answer: A. (5). Explanation: चरण 1: (f(2)=22+2k+1=5+2k)। चरण 2: दिया है (5+2k=15)। चरण 3: (2k=10), इसलिए (k=5)। / Step 1: (f(2)=22+2k+1=5+2k). Step 2: Given (5+2k=15). Step 3: (2k=10), so (k=5).
(f(2)=22+2k+1=5+2k).
(2k=10), so (k=5). चरण 1: (f(2)=22+2k+1=5+2k)। चरण 2: दिया है (5+2k=15)। चरण 3: (2k=10), इसलिए (k=5)।
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