Respuesta :

you just replace the letters so its going to be

f=5x- 2y                          with x=3  ,   y= -2

f=5·3 -2 (-2)

f=15+4=19

rosie2276

Answer:

f=19

Step-by-step explanation:

f=5x-2y

when X=3 & y= -2

or, f=5×3 - 2×(-2)

or,f=19