The graph of the function passes through the point (2, 1), and y increases by 4
when x increases by 1.

The graph in the attached figure

Step-by-step explanation:

In this problem I will assume the the function is linear

we have the point (2,1)

we know that

y increases by 4  when x increases by 1

Remember that the formula of slope is "rise over run", where the "rise" (means change in y, up or down) and the "run" (means change in x, left or right)

so

The slope of the linear function is

Find the equation of the line in point slope form

substitute

Convert to slope intercept form

Isolate the variable y

see the attached figure to better understand the problem

lolololkzaxio2ier286udeg

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v