Question

Help!!! Which equation represents a linear function?

Equation 1: y=2^2 +1
Equation 2: y^2 = 3x + 1
Equation 3: y=5x - 1
Equation 4: y= 4x^4 - 1

(Can only be one!!!)

Answer 1

Explanation:

y=5x-1

Because there is no exponent this is linear and not exponential