What is the solution for this equqtion? 1/2z=10

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

Use set buikder notation to represent the following set: {, -2, -1, 0}

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer