Which statement is true about the function f (x) = 4x – 122 3. O The function is decreasing and has a value of zero when x = O The function is decreasing and has a value of zero when I = 3. O The function is increasing and has a value of zero when r = -3. O The function is increasing and has a value of zero when I = 3.

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation:

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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

its 60

4 x 12 = 48

3 x 4 = 12

48 + 12 = 60

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