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vodomira [7]
4 years ago
12

PLEASE HELP ME ASAP - WILL GIVE BRAINLIEST - 20 POINTS! THANKS!

Mathematics
2 answers:
vlada-n [284]4 years ago
8 0

Answer:

A: f^-1(x) = (x - 5) / 2

Step-by-step explanation:

To find the inverse of a function, exchange x and y then solve for x

y = 2x +5

Exchange x and y

x = 2y +5

Solve for y

Subtract 5

x-5 = 2y +5-5

x-5 = 2y

Divide by 2

(x-5)/2 = y

The inverse is (x-5)/2

ArbitrLikvidat [17]4 years ago
7 0

Answer:

A

Step-by-step explanation:

You switch the y and x and solve for y.

y = 2x + 5

becomes

x = 2y + 5

Subtract 5 on both sides.

x - 5 = 2y

Divide 2 on both sides.

(x - 5) / 2 = y

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Answer:

40% or 0.4

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