Find f '(x) of f(x) = 3/2x+4​

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

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way