Which is the domain of the function f(x) = negative five-sixths (three-fifths) superscript x? all real numbers all real numbers less than 0 all real numbers greater than 0 all real numbers less than or equal to 0

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

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step-by-step explanation:

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