Question

sketch a graph of y=f(x)
f(x)=-4x+3

Answer 1

think of f(x) as y

input values for x and then find y,
then plot the point

then repeat until you have enough points, then draw a line through the points

Answer 2

I don't know what the value of x is

Answer 3

you make up random values for x

x can be 0, it can be 1, it can be -1

just make a t chart