Concept:Replace the argument x+1 with the desired input to evaluate f at a point.Explanation:We have f(x+1)=2x+7.To find f(−2), set x+1=−2.Then x=−3.Substitute x=−3 into the expression: f(−2)=2(−3)+7=−6+7=1.Answer:f(−2)=1, which corresponds to option A.