Question 145704
f(1)=3+2=5
f(2)=3(2)+2=6+2=8
f(4)=3(4)+2=12+2=14
f(8)=3(8)+2=24+2=26
f(16)=3(16)+2=48+2=50


Notice that the difference between single digits is 3. This is the rate of change (slope). Also, we can see right away that it is in slope-intercept form.