range of f (c) and check 51-53 - Express the given quantity as a single logarithm. 51. In 5 + 5 In 3 axes. 52. In(a + b) + In(a - b) - 2 Inc 53. ; In(x + 2)' + = [In x - In(x + 3x + 2)-] 54. Use Formula 14 to evaluate each logarithm correct to six decimal places. (a) logi2 10 (b) log28.4 155-56 . Use Formula 14 to graph the given functions on a common screen. How are these graphs related? 55. y = logisx, y - Inx. y = logix. y = logsor 56. y = Inn, y = logix, y = e, y = 10* 57. Suppose that the graph of y - logzx is drawn on a coor- dinate grid where the unit of measurement is an inch. ferentiable How many miles to the right of the origin do we have to ")'(5) move before the height of the curve reaches 3 ft