Question 5

If x = -0.5, then which of the following has the smallest value?

Name: If x = -0.5, then which of the following has the smallest value?
Uploaded: Nov. 13, 2021, 8:43 p.m.
Duration: 1 min 59 s
Description: If x = -0.5, then which of the following has the smallest value?

Solution

$$2^p$$ is always positive

$$x^2$$ is always non negative.

$$1/\sqrt{-x}$$ is always positive.

$$\frac{1}{x}$$ is negative when x is negative.

In this case, x is negative => $$\frac{1}{x}$$ is smallest.

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