Part a
the graph is the option D
Part b
f(2)
For x=2 the equation of the function is
f(x)=4x-3
substitute
f(2)=4(2)-3
f(2)=5
f(4)
For x=4 the equation of the function is
f(x)=x^2
f(4)=4^2
f(4)=16
Part c
the domain of the function is all real numbers (option D)
interval (-infinite, infinite)
