Question

8) Which equation expresses the relationship between x and f(x), as shown in the table?

Answer 1

the answer is 2x+3

its is the only equation that has the results of the table

x=1

f(1)=2(1)+3=5

x=3

f(2)=2(3)+3=9

x=9

f(9)=2(9)+3=21