Answer :
4.5
Step by step: first 0.2x +5.1 for x=-3
If x=-3 , you gone put 0.2•-3 +5.1
•(means times) but that’s how you get 4.5
Step by step: first 0.2x +5.1 for x=-3
If x=-3 , you gone put 0.2•-3 +5.1
•(means times) but that’s how you get 4.5