C-02-Q129mediumsingle_mcqIf f(x)=x2+5x−3f(x) = x^2 + 5x - 3f(x)=x2+5x−3, then f(−1)=f(-1) =f(−1)=a−7-7−7b−5-5−5c333d777ব্যাখ্যাSubstituting x=−1x=-1x=−1: f(−1)=(−1)2+5(−1)−3=1−5−3=−7f(-1)=(-1)^2+5(-1)-3=1-5-3=-7f(−1)=(−1)2+5(−1)−3=1−5−3=−7.