Find the derivative of y with respect to x. y = cos -1 (5x²-4) A. - 10x OA√1-(543-4) О в. ○ C. O D. 1 + 10x (5x - 4)2 10x - (5x2 – 4)2 5 V1 + (5x - 4)2

If a coffee filter is dropped, its velocity after t seconds is given by v(t)=4(10.0003t) feet per second. What is the terminal velocity, and how long does it take the filter to reach 99 of terminal velocity? Use a table increment of 0.1 and given your answer to the nearest tenth of a second.

Find the unknown value. 27. y varies jointly with x and the cube root of 2. If when x=2 and z=27,y=12, find y if x=5 and z=8.

Find the derivatives – do not simplify a. y= x4- 3square root of x + 5x2/3 +8/x-3 b. 7x3(5x4+3x2+12x)8 c. f(X)= cos(5x)/ (7x squre +19) d. y= cos(5x/7xsquare +19)