Plz show full solution for both questions

1. [0/5 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 11.3.077. MY NOTES ASK YOUR TEACHER The monthly sales of Sunny Electronics' new sound system are given by q(t) = 4,000t - 90t2 units per month, t months after its introduction. The price Sunny charges is p(t) = 2,000 - t2 dollars per sound system, t months after introduction. Find the rate of change of monthly sales. HINT [See Example 4(a).] q'(t) = X Find the rate of change of the price. p' (t) = X Find the rate of change of monthly revenue 5 months after the introduction of the sound system. per month Interpret your answer. When t = , the revenue is increasing at a rate of $ per month. Need Help? Read It Watch It 2. [-/2 Points] DETAILS WANEFMAC7 11.3.079. MY NOTES ASK YOUR TEACHER The price of crude oil during the period 2000-2010 can be approximated by P(t) = 6t + 18 dollars per barrel (0 s t s 10) in year t, where t = 0 represents 2000. Saudi Arabia's crude oil production over the same period can be approximated by Q(t) = -0,0362+ 0.62t + 8 million barrels per day (0 s t s 10).+ Use these models to estimate Saudi Arabia's daily oil revenue and also its rate of change in 2006. (Round your answers to the nearest $1 million.) daily oil revenue million rate of change in 2006 million/yr Need Help? Read it