(d)
We are asked to solve for f(x) = 7
This means that substitute f(x) = 7 into the function and solve for x
[tex]\begin{gathered} f(x)=4x+3 \\ 7=4x+3 \\ 7-3=4x \\ 4=4x \\ \frac{4}{4}=x \\ 1=x \\ x=1 \end{gathered}[/tex]
Therefore, the corresponding point on the graph of f(x) = 7 is 1
