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Mathematics, 07.02.2022 04:40 Jennifer312332

I really need help 50 POINTS AND WILL BE MARKED BRAINLIEST
ONLY if your answer shows steps and is logical
If it is obviously incorrect, it will be reported

a. Find the domain and range of f(x)=2log_3(x^2-4x-5)

b. find the domain and range of the function f(x)=5/(2+3^x)

c. If 8^x=27, then what is 4^(2x-3)

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