Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form. 2, -4, and 1 + 3i

a) f(x) = x^4 - 2x^2 + 36x - 80
b) f(x) = x^4 - 3x^3 + 6x^2 - 18x + 80
c) f(x) = x^4 - 9x^2 + 36x - 80
d) f(x) = x^4 - 3x^3 - 6x^2 + 18x - 80

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18