यदि (f(x)=3x+1) है तो (f(1)) क्या होगा?
If (f(x)=3x+1), what is (f(1))?
Explanation opens after your attempt
A. (4)
Concept
(f(1)=3\cdot1+1=4). During substitution multiply first and then add.
Why this answer is correct
The correct answer is A. (4). (f(1)=3\cdot1+1=4). During substitution multiply first and then add.
Exam Tip
(f(1)=3\cdot1+1=4) है। प्रतिस्थापन में पहले गुणा फिर जोड़ करें।
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