Use the below diagram for problem 4,5,&6 .the width of the rectangle is x inches and the length is(3x+2) inches .

b.an increase in a causes b to decrease

replication and blocking

step-by-step explanation:

step-by-step explanation:

f(gx)=f(1/x+2)

=(1/x+2)+2

=(1+2x)/2+2

=(1+2x+4)/2

= (2x+5)/2