Given the function:
![f(x)=-4x^2+24x+3](https://img.qammunity.org/2023/formulas/mathematics/college/osixzh5kdepivaf42ic2jusvi9a33n4ce3.png)
The leading coefficient of the function is negative
So, the function has a maximum value
the graph of the function will be as shown in the following figure:
As shown the maximum value of the function = 39
So, the answer will be option 3) maximum; 39