The table below shows some inputs and outputs of the invertible function f with domain all real
numbers.
T
9
- 11
7
11
-6
-13
11
4
-6
-1
-15
-5
Find the following values:
f-1(-15) =
f-1(4) + f(9) =

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

The table respent two linear functions the equation respented by the first tables is given

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?