I need help on this question

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.