I got 45 for this, not sure if it’s right. Hope that helps. :D
Part a)
a) The given function is

We let

Interchange x and y.

Solve for y;



Part b) The range of f(x) refers to y-values for which f(x) exists.
The range of f(x) is

This is because the function is within y=-3 and y=3.
c) The range of

is

The domain is -3≤x≤3
This is because the domain and range of a function and its inverse swaps.
Part d) The graph is shown in the attachment.
Answer:
Bottom left
Step-by-step explanation:
It shows that x is a unpredictable number but also show the value of 3 and 7
346 pounds
u have to multiply the amount of bags (40) by the weight of each bag (8.56) so it’ll be
40 x 8.56 = 346
There are 10 boys and 22 girls
Hope this helps!! Message me with questions