Two sociologists have grant money to study school busing in a particular city. They wish to conduct an opinion survey using 684 telephone contacts and 433 house contacts. Survey company A has personnel to do 29 telephone and 15 house contacts per hour; survey company B can handle 26 telephone and 17 house contacts per hour. How many hours should be scheduled for each firm to produce exactly the number of contacts needed?

answer: b. f(x) = (x + 2)^3 (x^2 - 7x + 3)^4

step-by-step explanation:

polynomials always have as many roots as their order. this is a 4th order polynomial- hence 4 roots!

complex roots of polynomials always come in pairs. the quadratic equation has the "+/-" in that will alwaysgenerate m+ni amd m-ni, so 7-2i must be a root of this polynomial equation.

the order of the numerator and denominator are both 2. so the horizontal asymptote is y=a2/b2 =7

verticle asymptotes are the forbidden x-values. f(x) becomes undefined at x=-3 because this value will cause a zero denominator.

a graph of r(x) will have vertical asymptotes at ±1 because these values will make the denominator zero. so the domain of the function cannot include ±1.

you 're wlecome! : )

cretdit to source

according to egenuity the answer is

step-by-step explanation:

d. 344.22

thus, the first answer choice, y = sec x, is the correct one