Question

Ntify each function if it is a polynon
1) P(x) = 5x +5x2+7​

Answer 1

A polynomial is a combination of terms separated by
+
+
or
−
-
signs. A polynomial does not contain variables raised to negative or fractional exponents, variables in the denominator or under a radical, or any special features such as trigonometric functions, or logarithms.
Polynomial

Answer 2

P(x) = 5x² + 5x + 7

"This is a polynomial because it is a 2nd degree trinomial or quadratic".

"Poly: meaning many, and nominal: meaning terms, combine to form the expression: "many terms".