Answer:

Step-by-step explanation:
The profit function is:

Where
P is the profit
and
d is the number of units sold
Now, there is a 50% increase in number of units sold, so d will become:
50% = 50/100 = 0.5
d + 0.5d = 1.5d
So, we have to replace "d" with "1.5d" in the function, which makes it:

From the equations shown, last answer choice is correct.

If you are in a school app similar to mine you drag your mouse over the line look for the 1 the one has to be first number. There will be 2 numbers it will look like (1,?) the second number is unknown so look for it and type it in
-35 is the answer hope this helps
Divide the 10 by 4, which makes the x be 2.5. You can check it by multiplying 4 by 2.5, which will give you 10.