Use differentials to estimate f(x) = x+2 at x = 1.99 Use Linear Approximation to estimate 8.01 Given f(x) = x - 18x + 4. Find if (any) a. the y-intercept b. the interval where f(x) is increasing or decreasing. Hence determine the extremum poin (s), if any. c. the interval where f(x) is concave up or concave down. Hence determine the inflection point (s) if any. d. sketch the graph of f(x) using the above information. Given f(x): = 4 7x+5* Find if (any) a. the x-intercept and y-intercept b. the vertical and horizontal asymptote (s) if any c. the interval where f(x) is increasing or decreasing d. the interval where f(x) is concave up or concave down e. sketch the graph of f(x) using the above information.