Is 4x + 7x a polynomials. Why

Step-by-step explanation:

A polynomial function involves only non-negative integer powers or only positive integer exponents of a variable in an equation.

yes ,Polynomials can be as simple as the expression 4x, or as complicated as the expression . Polynomials are usually written in standard form, which means that the terms are listed in order from the largest exponential value to the term with the smallest exponent.. For example if n = 1, a1 = 7 and a0 = 0 then you get the expression 7x, so 7x is a polynomial

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answer: need picture of problem

step-by-step explanation:

step-by-step explanation:

mean or average is 40.6