if Y= a+bX with a= 12 and b= .4 what is the value of Y when:

Show your work

a)x= 0 y=
b)x= 5 y=
c)x= 10 y=
d)x= -20 y=

This is just arithmetic, just plug in the values

e.g b)
when x = 5
y = 12 + .4(5)
= 12 + 2
= 14

do the others the same way