State whether the given graph could be the graph of a polynomial function. If it is, state whether it could be a polynomial function of degree 3, 4, or 5.

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x

Jahdzia wears her winter coat when the temperature is colder than -4 degrees celsius. write an inequality that is true only for temperatures (t) at which jahdzia wears her winter coat.