If f is the function defined by f(x)=((1/x)-1)/(x-1), then limx→1f(x) is equivalent to what

Write the following as a base and exponent

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

Select the number of ways in which a line and a circle can intersect