Atheatre has 50 seats on the front row. there are 4 additional seats in each following row. part a write a formula to represent the number of each seats in any given row as an explicit formula. part b how many seats are in the 20th row

- 2 + 10x³ - 21x² + 19x - 4

step-by-step explanation:

each term in the second factor is multiplied by each term in the first factor

x²(- 2x² + 4x - 1) - 3x(- 2x² + 4x - 1) + 4(- 2x² + 4x - 1) ← distribute

= - 2 + 4x³ - x² + 6x³ - 12x² + 3x -8x² + 16x - 4

collect like terms

= - 2 + 10x³ - 21x² + 19x - 4 ← in standard form

step-by-step explanation:

i think you should think about the question and not look online.

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval