For the polynomial function f(x) = -x²(x + 2)²(x – 2),
(a) the leading term:
(b) the degree:
(c) describe the end behavior of f:
(d) find the zeros of f and their multiplicities;
determine whether the graph of f crosses
or touches, but does not cross, the x-axis at
each x-intercept;

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?