But you have to answer with a joke or a riddle.

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

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

Anyone know? will mark brainliest if correct!