Which equation describes a linear function?
A. y = 3x^2 + 2x - 1
B. y + 9/11 x + 14/15
C. y = _/x + x - 15
D. y = x^-1 + 3.25
B/ it is of the form y=mx+b
The equation that describes a linear function is option B: y + 9/11x + 14/15.
To determine this, we need to look for an equation that is in the form y = mx + b, where m represents the slope of the line and b represents the y-intercept.
Option A is a quadratic function with a variable raised to the power of 2, so it is not a linear function.
Option C has a square root symbol, which indicates that it is not a linear function.
Option D has a variable raised to the power of -1, indicating that it is not a linear function.
Option B fits the form of a linear function, with the y term, an x term multiplied by a constant (9/11x), and a constant term (14/15). Therefore, the equation y + 9/11x + 14/15 describes a linear function.