Which of the following is an odd function? f(x) = x3 + 5x2 + x
f (x) = StartRoot x EndRoot
f(x) = x2 + x
f(x) = –x

Step-by-step explanation:

When f(-x)= -f(x), then it is known as an odd function.

i)

Then,

i.e.

ii)

i.e.

iii)

i.e.

iv)

i.e.

Hence, f(x) is an odd function.

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22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

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