Also show your work so i can understand ! asap asap

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

What is the distance between (–2 1/2,-3) and (1, –3)?