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

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

  • Math -

    just plug in a and b

    a+bx means 12+4x
    when x=0, y = 12+4*0 = 12

    do the others in like wise.

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