alleryR = {(x, x^3) : x is a prime number less than 10} in roster form is:
A{(2, 6), (3, 9), (5, 15), (7, 21)}
B{(2, 8), (3, 27), (5, 125), (7, 343)}
C{(2, 4), (3, 9), (5, 25), (7, 49)}
D{(2, 8), (3, 27), (4, 64), (6, 216)}
Answer & Solution
Correct answer: B. {(2, 8), (3, 27), (5, 125), (7, 343)}
Primes less than 10 are 2, 3, 5, 7. Applying x ↦ x³ gives 8, 27, 125, 343 respectively.
**Option A is correct.**
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