Find the domain of the function q(t)=3t/t-2

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The domain for any function is all of the x values for which that function can be solved.  In this example the only values for x which aren't in the domain, are those which cause the denominator to equal zero, because you can't divide by zero.  To find what value(s) of x cause the denominator to equal zero, you simply dox - 2 = 0which comes out to bex = 2This means x = 2 is not part of your domain, or, your domain is all real numbers, x ≠ 2.