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4 years ago

9

Please help !!!!!!!!

1 answer:

marusya05 [52]4 years ago

7 0

F(x) = 1/2x +4
replace f(x) with y
y = 1/2x+4

switch x and y
x = 1/2y +4

solve for y

multiply both sides by 2
2x = y+8

subtract 8 from both sides
2x-8 = y

rewrite with y on the left side: y = 2x-8

replace y with f(x)^-1 (inverse notation)
f(x)^-1 = 2x-8

solve for f^-1(4)
replace x with 4 in the equation and solve:
2(4) -8 = 8-8 = 0

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Answer:

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Step-by-step explanation:

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2 years ago

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ololo11 [35]

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5 0

4 years ago

Find out the answers to this

meriva

Answer:

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Step-by-step explanation:

It is given that $\cot \theta = - 5$ and $\theta$ is in the fourth quadrant.

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We know, that $\sec^{2} \theta - \tan^{2} \theta = 1$

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4 years ago

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inn [45]

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