![]() ![]() So it would simplify to 49 x minus 40 point, and all reals would be true her because its linear. Not included union negative 6 to infinity apologize for that, and then g of g of x would beg of 7 x minus 5, which would be 7 times 7 x. So from negative infinity to negative 5, not included union negative 5 to negative 256. This works well most of the time, but as listed in the table, you might sometimes need to navigate out of the parentheses to modify your function. Note Typing a function name such as sin automatically adds parentheses to delimit the argument of the function. So i would say from negative infinity to negative 256, not included union from well negative 256 is actually less so i'm gonna back this up because it can't be 5 either negative, 5. You can enter the following notation in calcPad. The 6 x plus 25 cannot be 0 either so x can also not be negative 256. The domain of f of f of x will, from the original situation x, cannot be negative 5, but it also cannot be. We want to simplify that then it would be x plus distribute the 5 to get 5 x plus 25 or you can say x, over 6 x plus 25. We have x over x, plus 5 times x, plus 5. When you divide by a fraction, you multiply by the reciprocal so be x over x plus 5 times, the reciprocal x plus 5 over x, plus 5 times x, plus 5, the x plus 5 will then cancel. That'S correct! The domain would be everything but negative 5, and this is true, so i think you're still good through here now, f of f of x, f of f of x, would be f of x over x plus 5, which would be x over x plus 5 over X over x, plus 5 plus 5 to simplify think of this as plus 5 times x, plus 5 over x plus 5 point so that we have a common denominator and we can add that would become x, plus 5 times x, plus 5 over x plus 5. I believe this is correct because you can't divide by 0, when we confirm g of f of x ud be plugging f of x into g, so that would be 7 x over x, plus 5 minus 5. The domain of f of g of x would be everything but 0. So f of g of x would be 7 x, minus 5 over 7 x, minus 5 plus 5, which is 7 x, or this is correct.
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