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For the function y=3x−1, when the input (x)= 7, the output (y) = ?

Sagot :

Answer:

y=3x-1 (replace x with 7 )

Step-by-step explanation:

y=3 (7)-1

y= 21-1

y= 20

note: multiply 3 with seven and minus 1 the answer is y so y=20