Find the cardinal number for the set. C = {x | x less than or equal to 56 and x2 greater than or equal to 13}

Because jennifer lopez is queen and we worship her! lol! i honestly don’t know the answer. sorry

Answer texture;

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To solve this integral, what you can do is split it up as follows: (1) ∫40(x2−4)dx=∫40(x2)dx−∫40(4)dx. to integrate  4  as an  indefinite integral, a good rule of thumb is  by  an equation below  for  polynomials; . (2) ∫xa=xa+1a+1+c , where a is any number. c denotes some constant that is crucial when doing