2 years ago

At which points is the slope negative?

1 answer:

5 0

The graph increases untill day 4(slope= positive) and then is stays constant(slope=0). Starting at day 8 the slope changes to be negative

Answer:From the 8th day to the 10th day

Hope this helps:)

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3 years ago

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2 years ago

If angle X is an acute angle with tan X = 8/7, what is the value of sec X?

iren [92.7K]

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As X is an acute angle, all 6 trigonometric functions with an argument of X are positive.

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$1+\left(\frac{8}{7} \right)^{2}=\sec^{2} X\\\\\sec^{2} X=\frac{113}{49}\\\\\therefore \sec X=\boxed{\frac{\sqrt{113}}{7}}$

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