The expression x*y has the value y^-2 -(-SQRT(x))^3. find the value of 49* -1/3

Answer 1

just plug and chug.
49 * -1/3 = (-1/3)^(-2)-(-√49))^3
= (-3)^2 - (-7)^3
= 9 + 343
= 352

Answer 2

if x*y is defined as y^-2 -(-SQRT(x))^3 or 1/y^2 + (√x)^3
then 49* -1/3
= 1/(1/9) + (√49)^3
= 9 + 7^3
= ...