If the domain of the function f = {(x, y) |2x + y = 7} is {1, 2, 3), what is the range?
o {1,2,3}
o (1,3,5)
o {2,5/2, 3)

Step-by-step explanation:

y = 7 - 2x

x =1; y = 7 - 2*1 = 7- 2 = 5

x = 2; y = 7 - 2*2 = 7 - 4 = 3

x = 3; y = 7 - 2*3 = 7- 6 = 1

Range = { 1,3,5}

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step-by-step explanation: