State whether the following are valid identifiers (function or variable name) and if so, whether they’re mnemonic names that convey some idea of the function’s purpose. If they are invalid names, state why. (20pts) Power  Density    m1234      newamp  1234 abcd       total tangent absval computed b34a 34ab       volts$ a2B3 while  minVal sine $sine      cosine     speed- netdistance sum        return  stack

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