Hi there! The answer is A.
Graph A. is not linear because it contains x^2 and therefore is a quadratic function.
Answer:
im not fully sure because im a 4th grader but 52 i think.
The straight line is perpendicular to y = -3x + 4.
Therefore, the gradient of the straight line must be 3.
The equation of the straight line is y = 3x + 2.
