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anastassius [24]
3 years ago
14

Pls help! WILL GIVE BRAINLIST!

Mathematics
1 answer:
Bumek [7]3 years ago
7 0

Answer: D. y = x^2

Step-by-step explanation:

Linear functions are functions in which the power of the unknown variable is 1 , that is the other of the unknown variable will be 1

A. y = x

This is a linear function because both x and y has 1 has their power

B. y = 2x

This is also linear

C. y = x + 2

This is also linear

D. y = x^2

This is not linear , although the power of y is 1 but the power of x is 2 , for it to be linear , the highest power of the unknown must be 1

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xenn [34]

Answer:

\theta_{1} \approx 30.473^{\textdegree}

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Step-by-step explanation:

The equation needs to be rearranged in terms of one trigonometric function:

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5\cdot \tan 2\theta - 9 = 0

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\theta = \frac{1}{2}\cdot \tan^{-1} \left(\frac{9}{5} \right)

The tangent function has positive values in the 1st and 3rd Quadrants. Then, the solutions are:

\theta_{1} \approx 30.473^{\textdegree}

\theta_{2} \approx 120.473^{\textdegree}

\theta_{3} \approx 210.473^{\textdegree}

\theta_{4}\approx 300.473^{\textdegree}

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Step-by-step explanation:

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