When you cube or square a number it means to multiply a number by itself a certain amount of times. So when you square a number you multiply that same number together twice and when cubing a number you multiply that same number three times. In your case multiply 1/5 like this: 1/5 x 1/5 x 1/5
The correct answer is c :)
the point is described by two variables: x and y. it is written like that: (x, y). so the first variable in brackets is the x variable. the other is y. so pick every point a-d, put these values into the equation, solve it and check if the values before and after = are the same. if so - you are correct!
look:
c) (1, 5) so x=1, y=5
equation: y=5^x
putting values: 5=5^1 and this is true!
