List the possible rational roots and actual rational roots for the equation x^4-5x^3+9x^2-7x+2=0

If g(x) is an odd function, which function must be an even function?

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?