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lidiya [134]
3 years ago
6

Which function is a linear function?

Mathematics
1 answer:
Sophie [7]3 years ago
4 0

Answer: y+ 7 = 5x

Step-by-step explanation:

A linear function is a function in which the highest power of the unknown is 1 , that is , the highest power of the variables that are unknown will be 1.

From the question given:

A : 1  - 3x^{2} = -y

The power of x is 2 , though the power of y is 1 but because of the existence of the power of x which is 2 , it is not linear

B : y + 7 = 5x

both the power of x and y is 1 , so it is a linear function

C: x^{3} + 4 = y is not linear

D is also not linear

likewise , E is not linear

Therefore , B is the only linear function

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