Substituting -1 for x and 2 for y in the expression x³ + y, we get:
(-1)³ + 2
= -1 + 2
= 1
Therefore, x³ + y when x is -1 and y is 2 is equal to 1.
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Substituting -1 for x and 2 for y in the expression x³ + y, we get:
(-1)³ + 2
= -1 + 2
= 1
Therefore, x³ + y when x is -1 and y is 2 is equal to 1.