Bonjour pouvez vous m'aider, je dois rendre ce devoir de maths pour lundi il portent sur les statistiques et les vecteurs

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Hi, can anyone show me how to do this problem? 100 points for this. in advance