PLS HELP WILL MAKE FIRST RIGHT ANSWER GETS BRAINLIEST

Answer:
[tex]m = \frac{y2 - y1}{x2 - x1} = \frac{2 - ( - 4)}{ - 4 - 1} = \frac{2 + 4}{ - 5} = \frac{6}{ - 5} [/tex]
f(1)=4(1)=4
f(2)=4(2)=8
f(3)=4(3)=12
f(4)=4(4)=16
f(5)=4(5)=20
I hope I helped you^_^