Multiply Using the Rule for the Product of the Sum $\left( y ^ { 3 } - 7 \right) \left( y ^ { 3 } + 7 \right)$

Multiple Choice

Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers.
- $\left( y ^ { 3 } - 7 \right) \left( y ^ { 3 } + 7 \right)$

A) $y ^ { 6 } - 14$
B) $y ^ { 9 } - 49$
C) $y ^ { 9 } - 14$
D) $y ^ { 6 } - 49$