Answer:
Zeros are at x = 30 and x = -4.
Step-by-step explanation:
The zeros of a function are the points where it intersects the x-axis. in other words, the zeros are solutions to the following equation.
![f(x)=0.](https://img.qammunity.org/2023/formulas/mathematics/college/la9dciljj0hwno8acj9lgw4s608gx3thrg.png)
which in our case is
![f\mleft(x\mright)=-0.05\left(x^2-26x-120\right)=0](https://img.qammunity.org/2023/formulas/mathematics/college/p3ds50t7fdj2p7svm5zyi50a67k1ma1jri.png)
Now looking that the graph of the function given we see that the parabola intersects the x-axis at x = -4 and x = 30.
Therefore, the zeros of the function are at x = -4 and x = 30.