Step-by-step explanation:
Seven lakh and seventy thousand.
This is your answer.
17-34(304)$-5 this is what I put
It's 10 - 4
moving decimal over to the right makes a negative exponent.
Y=4x shows y as the total earnings and x as the number of windows
Given

on the interval 0 ≤ x ≤ 7, for maximum value, f'(x) = 0.