Answer:
-15u+5
Step-by-step explanation:
- open up the bracket -15u-5+10
- liketerms together -15u+5
- hence answer is -15u+5
Answer:
9a+18=9
9a=-9
a=-1
Step-by-step explanation:
The box has 450 bars in it. 18 times 25 would equal 450
Given:
The function is:

To find:
The inverse of the given function, then draw the graphs of function and its inverse.
Solution:
We have,

Step 1: Substitute
.

Step 2: Interchange x and y.

Step 3: Isolate variable y.


Step 4: Substitute
.

Hence, the inverse of the given function is
and the graphs of these functions are shown below.