7, 8, 9can it be done in 30 mins please ?

7. [-/2 Points] DETAILS SCALC8 4.2.059. If m s f(x) S M for a s x s b, where m is the absolute minimum and M is the absolute maximum of f on the interval [a, b], then m (b - a ) s f ( x ) dx s M ( b - a ) . Use this property to estimate the value of the integral. 1 x3 ox smaller value) (larger value) 8. [-/1 Points] DETAILS SCALC8 4.2.523.XP. Given that 12x V x2 + 4 dx = 20/5 - 32 , what is / 12 4 \\ u 2 + 4 du ? 9. [-/1 Points] DETAILS SCALC8 4.3.011. Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. F ( x ) = _ V7 + sec(71) at Hint : V7 + sec ( 70 ) at - - (" V7 + sec ( 71 ) at F' ( x ) = F Viewing Saved Work Revert to Last Response 10. [1/1 Points] DETAILS PREVIOUS ANSWERS SCALC8 4.3.080. Evaluate the integral. MacBook Air 888 esc F1 F2 F3 F4 F5 F6 F7 FF