Problem 1ECP: Given fx=x2 and gx=1x, find f+gx. Then evaluate the sum when x=2. Problem 2ECP: Given fx=x2 and gx=1x, find fgx. Then evaluate the difference when x=3. Problem 3ECP Problem 4ECP Problem 5ECP Problem 6ECP Problem 7ECP Problem 8ECP: The number N of bacteria in a refrigerated food is given by NT=8T214T+200,2T12 where T is the... Problem 1E: Fill in the blanks. Two functions f and g can be combined by the arithmetic operations of , , , and ... Problem 2E: Fill in the blanks. The of the function f with the function gisfgx=fgx. Problem 3E: Graphing the Sum of Two Functions In Exercises 3 and 4, use the graphs of f and g to graph hx=f+gx.... Problem 4E: Graphing the Sum of Two Functions In Exercises 3 and 4, use the graphs of f and g to graph hx=f+gx.... Problem 5E: Finding Arithmetic Combinations of Functions In Exercises 5-12, findaf+gx,bfgx,cfgx, and df/gx. What... Problem 6E Problem 7E: Finding Arithmetic Combinations of Functions In Exercises 5-12, findaf+gx,bfgx,cfgx, and df/gx. What... Problem 8E: Finding Arithmetic Combinations of Functions In Exercises 5-12, findaf+gx,bfgx,cfgx, and df/gx. What... Problem 9E: Finding Arithmetic Combinations of Functions In Exercises 5-12, findaf+gx,bfgx,cfgx, and df/gx. What... Problem 10E Problem 11E Problem 12E Problem 13E: Evaluating an Arithmetic Combination of Functions In Exercises 13-24, evaluate the function for... Problem 14E Problem 15E Problem 16E Problem 17E: Evaluating an Arithmetic Combination of Functions In Exercises 13-24, evaluate the function for... Problem 18E: Evaluating an Arithmetic Combination of Functions In Exercises 13-24, evaluate the function for... Problem 19E: Evaluating an Arithmetic Combination of Functions In Exercises 13-24, evaluate the function for... Problem 20E Problem 21E Problem 22E Problem 23E: Evaluating an Arithmetic Combination of Functions In Exercises 13-24, evaluate the function for... Problem 24E Problem 25E Problem 26E Problem 27E: Graphical Reasoning In Exercises 25-28, use a graphing utility to graph f,g, and f+g in the same... Problem 28E Problem 29E Problem 30E: Finding Compositions of Functions In Exercises 29-34, find afg,bgf,andcgg. fx=4x,gx=x+7 Problem 31E: Finding Compositions of Functions In Exercises 29-34, find afg,bgf,andcgg. fx=x2,gx=x1 Problem 32E: Finding Compositions of Functions In Exercises 29-34, find afg,bgf,andcgg. fx=3x,gx=x4 Problem 33E Problem 34E Problem 35E Problem 36E Problem 37E Problem 38E: Finding Domains of Functions and Composite Functions In Exercises 35-42, find afgandbgf. Find the... Problem 39E Problem 40E Problem 41E: Finding Domains of Functions and Composite Functions In Exercises 35-42, find afgandbgf. Find the... Problem 42E Problem 43E: Graphing Combinations of Functions In Exercises 43 and 44, on the same set of coordinate axes,... Problem 44E Problem 45E: Evaluating Combinations of Functions In Exercises 45-48, use the graphs of f and g to evaluate the... Problem 46E: Evaluating Combinations of Functions In Exercises 45-48, use the graphs of f and g to evaluate the... Problem 47E: Evaluating Combinations of Functions In Exercises 45-48, use the graphs of f and g to evaluate the... Problem 48E Problem 49E Problem 50E Problem 51E Problem 52E Problem 53E Problem 54E Problem 55E Problem 56E Problem 57E Problem 58E: Business The annual cost C (in thousands of dollars) and revenue R (in thousands of dollars) for a... Problem 59E Problem 60E: Let dt be the number of dogs in the United States in year t, and let ct be the number of cats in the... Problem 61E: Geometry A square concrete foundation is a base for a cylindrical tank (see figure). (a) Write the... Problem 62E: Biology The number N of bacteria in a refrigerated food is given by NT=10T220T+600,2T20 where T is... Problem 63E Problem 64E: Consumer Awareness The suggested retail price of a new hybrid car is p dollars. The dealership... Problem 65E Problem 66E Problem 67E Problem 68E Problem 69E Problem 70E Problem 71E Problem 72E: HOW DO YOU SEE IT? The graphs labeled L1,L2,L3, and L4 represent four different pricing discounts,... Problem 73E format_list_bulleted