यदि \(f:{1,2,3,4}\to{1,8,27,64}\) और (f(x)=x-3) है, तो (f(4)) क्या होगा?
If \(f:{1,2,3,4}\to{1,8,27,64}\) and (f(x)=x-3), what is (f(4))?
Explanation opens after your attempt
B. (64)
Concept
(f(4)=43=64). In exams, calculate powers carefully.
Why this answer is correct
The correct answer is B. (64). (f(4)=43=64). In exams, calculate powers carefully.
Exam Tip
(f(4)=43=64) होगा। परीक्षा में घात का मान सावधानी से निकालें।
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