Question

ESCREVA A FUNÇAO AFIM F(X)=ax+b,sabendo que: A) F(2)=4 E F(0)=-1

Answer 1

Bonsoir cher ami !!!



y = ax + b 


4 = 2a + b 

-1  = 0 + b  ==>>  b  = - 1



4 = 2a + b  ==>>  4 = 2a - 1    ==>>  2a = 5  ==>>  a = 5/2