In the notation "s(x) = " what does "s(x)" represent?

a.

there is not enough information to answer this question.

b.

the value found when s is multiplied by the value x.

c.

the value of x depends on the value of s(x), since x is a function of s.

d.

the value of s(x) depends on the value of x, since s is a function of x.

Arational number that is equivalent to -20/4?

Three students each examine the system of linear equations shown. 8x + 4y = 16 8x + 2y = 8 caleb says there is exactly one solution. jeremy says there is no solution. kim says there are infinitely many solutions. which student is correct? provide mathematical reasoning to support your answer. answer in complete sentences. : d

Since we have computer algebra systems that can solve polynomial division problems for us, why is it necessary to learn how to do these things by hand?