Is the function f(x)=(−13)x an exponential function? if so, identify the base. if not, why not? a. yes, base = 13. b. yes, base = −13 c. no, there is no constant raised to a variable x. d. no, the constant raised to a variable exponent is negative.

the answer is d

the answer is in the first quadrant, which make the y-int positive.

since the dots are going down, therefore the correlation is negative

i hope it is right.

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