To make 12 cookies, you need 1.25cups of all-purpose flour, 110grams of butter, half cup of brown sugar and 1 teaspoon (tsp) of
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In the attached picture you have the graph of . To evaluate the function at
, you'll have to start from 0 on the x axis, and travel vertically until you meet the graph.
In this case, if you start from the origin, you have to go upwards one unit, until you meet the graph at (0,1).
So, if ,
.
we know that
A perfect cube is a whole number which is the cube of another whole number or a number is a perfect cube if the cube root of that number is a whole number.
so
<u>case a)</u>
the cube root of is not a whole number
therefore
<em><u>The expression is not a perfect cube</u></em>
<u>case b)</u>
the cube root of is not a whole number
the cube root of is not a whole number
therefore
<em><u>The expression is not a perfect cube</u></em>
<u>case c)</u>
therefore
<em><u>The expression is a perfect cube</u></em>
<u>case d)</u>
the cube root of is not a whole number
therefore
<em><u>The expression is not a perfect cube</u></em>
<u>the answer is</u>