Someone please help me

How many zeros does the function f(x)=4x3-x2+1 have

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

In which form is the following function written? y = - 2(x – 3)(x + 5)