X = 9 . Basically just divide 12 by 8 and then take that quotient (1.5) and multiply it by 6 in order to receive the product of 9.
Hope this helps! :)
20a + 4b - 9a + 3 = 11a + 4b + 3
Answer:
c
Step-by-step explanation:trust
Answer:
320 messages
Step-by-step explanation:
20 messages per dollar,
20 x 16 equals 320
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.