Question

Calculate The total area of the region described. DO NOT COUNT THE AREA BENEATH THE X AXIS AS NEGATIVE.

Bounded by the curve y=7 sqrt(x), the x axis, and the lines x=0 and x=25

I have posted this numerous times and the answers 1833.34 and 583.33 583.3 are wrong.

pt 2;

The marginal revenue of the xth box of flash cards sold is 200e^(-0.001x) dollars per box. find the revenue generated by selling items 101 through 8000.

$______

11. 1 POINTS PREVIOUS ANSWERS WANEFMAC7 13.4.048. MY NOTES ASK YOUR TEACHER Calculate the total area of the region described. Do not count area beneath the x-axis as negative. HINT (See Example 6.] Bounded by the curvey - 7 x, the x-axis, and the lines x = 0 and x = 25 1833.34 x Need Help? wh a t to Tuter Submit Anwer Practice Ano Version 12. - 1 POINTS WANEFMAC7 13.4.058. MY NOTES ASK YOUR TEACHER The marginal revenue of the xth box of fashcards sold is 2000.00 dollars per box. Find the by selling items 101 through 8.000. HINT (See Example 5.) (Round your answer to Need Help? Wha t Submit Assignment Save Assignment Progress

Answer 1

25 | Answer) Area vodeno - ( x dx Curve 25 ſ dx = 7 ( 002 - Ruleggless by x 125 = 3x 125 = 583.33 Area - isang 583-34 wer Given dR - 200 € (-0.001%) DR - ft R = 200 -0.001x), 1200 &0001x. dx R = -200 é o not ooo! R= 200,000 e º - ooolt to R(101) = 8000 OTOT 8000 e 200000 - 3.21 = -0.001x101 + c : CE - 3.109 Ka 200,000 -0.001 - z 12g 0 seaned with CamScanner