#### Answer

f(1)=9
f(2)=11
f(3)=13
f(4)=15

#### Work Step by Step

f(x)=2x+7
f(1)=2(1)+7 =9
f(2)=2(2)+7 =11
f(3)=2(3)+7 =13
f(4)=2(4)+7 =15
*You just plug the new number in for each of the x's in the original function and then solve to get your answer.