12.075
Explain:
Price after mark-up: 10*115% = 11.5
Price after sales tax: 11.5 * 105% = 12.075
Answer:
x = 1
Step-by-step explanation:
If you have any questions feel free to ask in the comments
N.b., this is copied from an answer I wrote for someone else.Thinking about the graph of y, the rate of change is zero whenever there is an extremum.
First, differentiate y.

Next, find the zeros of y' by factoring.

Now, we substitute these x-values into the
original equation to find the coordinates.
6
y= the t intercept which is 1
Answer:
yes
Step-by-step explanation:
0.04 is equal to 0.0400
0.0530
0.0400
5 is higher than 4