(17pts) use the graph of f(x) to find the solutions to the equation f(x)=0 a)two solution: x= -4,7 b)two solution: x= 4.-7 c)one solution: x= 28 d)no solutions (explain i'll give brainlest)

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.