Sketch a graph of the polynomial function f(x)= -x^3 +5x^2-2x-8. Use the graph to determine the following. F is on intervals (- infinity, 1/3) and (3, infinity )
F is on the intervals (-1,2) and (4, infinity)
F is on the intervals (1/3,3)
F is on the intervals (- infinity, -1) and (2,4)

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?