Please help me :'( Polynomial Function.
Tell whether the following is a polynomial is a polynomial function or not. give the degree and the number of terms for polynomial functions.
1. y = 3x² - 2x + 4
2. y = 5^x+3
3. y = x + 4/3
4. y = (x - 4)(4x + 1)
5. y = 6x² + 1

What is the volume of a cardboard box that measures 1 inch by 5 inches by 7 inches? the volume of the cardboard is cubic inches. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to the nearest tenth, like this: 42.5