Let f(x) = 2x - 2x (a) Use the definition of a derivative or the derivative rules to find f'(x) = 20x - 18x" (b) Use the definition of a derivative or the derivative rules to find f"(x) = 180x - 141x' (c) On what interval is f increasing? Increasing: 10 (d) On what interval is f decreasing? Decreasing: (-,0) U O. 75 (e) On what interval is f concave downward? Concave Down: (f) On what interval is f concave upward? Concave Up: | (-0.0) U - ,00x Question 5 Score on last try: 0 of 1 pts. See Details for more. > Next question Get a similar question You can retry this question below A shoe store orders shoes from the manufacturer and sells them at a mall. Storing shoes at the store costs $3 per shoe pair for a year. When reordering shoes from the manufacturer, there is a fixed cost of $6 per order as well as $3 per shoe pair. The retail store sells 2250 shoe pairs each year. Find a function that models the total inventory costs as a function of c the number of shoe pairs in each order from the manufacturer. 20250 + 6750 X XQuestion 16 Differentiate: f(@) = In 4 f'(x) =x Question 17 Score on last try: 0 of 1 pts. See Details for more. > Next question Get a similar question You can retry this question below Given the function f(x) = 7x -8+2el Determine the equation of the tangent line at the point (0, -6). 25 syntax error: this is not an equation