The manager of a dress shop recorded the number of dresses sold during the week the data is as follows
17 15 16 20 15 19
Find the mean deviation for this data

4.98

1.67

2.21

1.91

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet