Write a withExponents functional mixin that matches this specification describe( "withExponents", function(){ var calculator; beforeEach( function(){ calculator = new Calculator(); withExponents.call(...

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Write a withExponents functional mixin that matches this specification

describe( "withExponents", function(){ var calculator; beforeEach( function(){ calculator = new Calculator(); withExponents.call( calculator ); } ); it( "returns 2^3", function(){ expect( calculator.pow( 2, 3 ) ).to.equal( 8 ); } ); it( "multiplies 2^3 and 2^4", function(){ expect( calculator.multiplyExp( [ 2, 3 ], [ 2, 4 ] ) ).to.equal( 128 ); } ); it( "divides 2^3 by 2^5", function(){ expect( calculator.divideExp( [ 2, 3 ], [ 2, 5 ] ) ).to.equal( 0.25 ); } ); } ); Write a delay function that matches this specification

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