Answer and fix these questions please

7. [0/1 Points] DETAILS PREVIOUS ANSWERS LARCALC11 4.4.045. MY NOTES ASK YOUR TEACHER PRACTICE AN Find the area of the region bounded by the graphs of the equations. y = -x2 + 6x, y =0 X Need Help? Read It Watch It Submit Answer 8. [-/1 Points] DETAILS LARCALC11 4.4.048. MY NOTES ASK YOUR TEACHER PRACTICE AN Find the value(s) of c guaranteed by the Mean Value Theorem for Integrals for the function over the given interval. (Round your answer to four decimal places. Enter your answers as a comma separated list.) f(x) = 2Vx, [4, 9] Need Help? Read It16. [-/1 Points] DETAILS LARCALC11 4.4.084.MI. MY NOTES Find F'(x). F( X ) = -dt F' ( X) = Need Help? Read It Master It 17. [-/1 Points] DETAILS LARCALC11 4.4.094. MY NOTES ASK YOUR TEACHER PRACTICE ANOT The velocity function, in feet per second, is given for a particle moving along a straight line. v(t) = t2 - t - 42, 1 s ts 10 (a) Find the displacement. (b) Find the total distance that the particle travels over the given interval. Need Help? Read It10. [0.5/1 Points] DETAILS PREVIOUS ANSWERS LARCALC11 4.4.059.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The force F (in newtons) of a hydraulic cylinder in a press is proportional to the square of sec x where x is the distance (in meters) that the cylinder is extended in its cycle. The domain of F is [0, 7/3], and F(0) = 300. (a) Find F as a function of x. F ( X ) = 300 sec (x) (b) Find the average force exerted by the press over the interval [0, x/3]. (Round your answer to one decimal place.) F = 496.4 X N Need Help? Read It Master It 11. [-/1 Points] DETAILS LARCALC11 4.4.060. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The volume V, in liters, of air in the lungs during a three-second respiratory cycle is approximated by the model V = 0.1729t + 0.1522t - 0.0374t , where t is the time in seconds. Approximate the average volume of air in the lungs during one cycle. (Round your answer to four decimal places.) Need Help? Read It12. [-/1 Points] DETAILS LARCALC11 4.4.064. MY NOTES ASK YOUR TEACHER Find F as a function of x and evaluate it at x = 2, x = 4 and x = 7. F(X ) = / ( +3 + 4t - 2 ) at F ( X ) = F(2) = F( 4) = F ( 7 ) = Need Help? Read It 13. [-/1 Points] DETAILS LARCALC11 4.4.065. MY NOTES ASK YOUR TEACHER PR Find F as a function of x and evaluate it at x = 0, x = x/4, and x = /2. F ( x ) = cos @ de F (X ) = F(0) = F(* ) F ( # ) Need Help? Read It Watch It14. [-/1 Points] DETAILS LARCALC11 4.4.073. MY NOTES ASK YOUR TEACH Consider the following. F ( x ) = _sec 2 t at (a) Integrate to find F as a function of x. F ( X ) = (b) Demonstrate the Second Fundamental Theorem of Calculus by differentiating the result in part (a). F' ( X ) = Need Help? Read It 15. [-/1 Points] DETAILS LARCALC11 4.4.077.MI. MY NOTES ASK YOUR TEACH Use the Second Fundamental Theorem of Calculus to find F'(x). F ( x ) = \\ +4 + 9 dt F ' ( X ) = Need Help? Read It Watch It Master It