Answer:
10
Step-by-step explanation:
20/2=10 smores
Yes it is. log(1) and ln(1) both equal zero. But you cannot take the logarithm of 0.
Answer: f⁻¹(x)=(x-7)²
Step-by-step explanation:
To find the inverse function, we want to switch the y with the x and vice versa. Then we solve for y.
[switch y with x and x with y]
[subtract both sides by 7]
[square both sides]

Now, we know that f⁻¹(x)=(x-7)².
Answer:
$6.42
Step-by-step explanation:
It's very simple, all you have to do is subtract 13.58 by the 20.00$, so you will get that.
Check the answer below its correct(or above)