I am pretty sure the last two boxes (-1/x^7 and 1) are correct, but I can’t figu

Question

I am pretty sure the last two boxes (-1/x^7 and 1) are correct, but I can’t figure out what the first two boxes should be the options for box 1 are f(x) >= 0 f(x) >= 1
f(x) <= 0
f(x) > 0

Box two the options are
x includes [-1,1] x >= 0 x is all real numbers x >0
Thanks 0, elsewhere (a) Verify that this is a valid density function. (b) Evaluate F(x) ()What is the probability that a random particle from the manufactured fuel exceeds 2 micrometers? o The function ( i idcd )20for all and because fk) dx-7x

Explanation / Answer

Here first box is correct ,but it is valid for all x .that is when x is real number's

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