Question

repede!!!dau coroana la cel mai bun răspuns​

Answer 1

a)

f(x)=0=>x=7

g(x)0=>x=1/3

b)

f(x)≥g(x)=>(x-7)/2≥3x-1=>x-7≥6x-2=>x-6x≥7-2=>-5x≥5=>x≤-1=>x€[-∞-1]=>

f(x)=0=>(x-7)/2=0=>x-7=0=>x=7=>

g(x)=0=>3x-1=0=>x=1/3