Question

which of the following is a polynomial expression a. 2^x + x + 3 b. x^2 + 2x + 7 or c. 1/x + 1/x2 + 1/x3 ( btw the ^2 means it’s squared ) please answer

Answer 1

(b)

A polynomial has the form

`a_(0)`
`x^(n)` ±
`a_(1)`
`x^(n-1)` + ....

the only expression fitting this description is : x² + 2x + 7