Answer:
![\sqrt[8]{197^{7} }](https://tex.z-dn.net/?f=%5Csqrt%5B8%5D%7B197%5E%7B7%7D%20%7D)
Step-by-step explanation:
![\sqrt[8]{197^{7} }](https://tex.z-dn.net/?f=%5Csqrt%5B8%5D%7B197%5E%7B7%7D%20%7D)
Answer:
f^-1(x) = x +6
Step-by-step explanation:
To find the inverse of the function
y = f(x)
solve the equation
x = f(y)
for y.
Here, you want ...
x = f(y)
x = (y -6)
x +6 = y . . . . . . add 6 to both sides

Answer:
15 and one-half
Step-by-step explanation:
14/2 + 3(4) - (6.5 - 3)
<em>Use PEMDAS</em>
14/2 + 3(4) - 3.5
<em>Use PEMDAS</em>
7 + 12 - 3.5
<em>Use PEMDAS</em>
15.5
Answer:
£12
Step-by-step explanation:
To find the original amount, divide 6.60 by 0.55:
6.60/0.55
= 12
So, Sophie had £12 to begin with