यदि (f(x)=x-3) और (g(x)=3x) हैं तो ((f+g)(-2)) का मान क्या है?
If (f(x)=x-3) and (g(x)=3x) then what is the value of ((f+g)(-2))?
Explanation opens after your attempt
A. \(-14)
Concept
((f+g)(-2)=(-2)3+3(-2)=-8-6=-14). Watch the sign in powers of negative numbers.
Why this answer is correct
The correct answer is A. \(-14). ((f+g)(-2)=(-2)3+3(-2)=-8-6=-14). Watch the sign in powers of negative numbers.
Exam Tip
((f+g)(-2)=(-2)3+3(-2)=-8-6=-14)। ऋणात्मक संख्या की घात में चिन्ह पर ध्यान दें।
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