If f:RR be defined by f(x) = (x1) show that (fof) () = -1

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

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?