Question

this graph shows data related to a company's stock price and time. which type of function best models data? A. a linear function with a positive slope
B. a square root function
C. a quadratic function with a negative value of a
D. a quadratic function with a positive value of a

Answer 1

C cuz if it opens down a is negative and also it’s a parabola so it’s quadratic

Answer 2

The function fits the model of a quadratic function with a negative value of a.

What is a Function?

A function is a law that relates a dependent and an independent variable.

The graph is shown in the image and the image can be seen to be a parabola opening downwards.

The equation for a parabola opening downwards is

f(x) = ax² +bx +c = 0

here a< 0

This is a quadratic function.

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