Respuesta :

Part a

y = 10x

For x=-3

substitute the value of x in the equation and evaluate it

y=10(-3)=-30

Part b

y = 6 - 2x

For x=11

y=6-2(11)=-16

Part c

y = 4x + 5

For x=1/2

y=4(1/2)+5=7

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