3 years ago

F(x)= 2x+4/3 using the inverse function x=6 how do you solve this ?

Mathematics

1 answer:

nydimaria [60]3 years ago

5 0

Plug x in and then solve

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Plz help me i need it

Nimfa-mama [501]

Answer: $\bold{d)\quad f^{-1}(x)=\dfrac{e^x}{5}}$

Step-by-step explanation:

To find the inverse, swap the x's and y's and solve for y. Note: f(x) is y

$y = ln(5x)\\\\\text{Swap the x's and y's:}\\x=ln(5y)\\\\\text{Apply e to both sides:}\\e^x=e^{ln(5y)}\\\\e^{ln}\ \text{cancels out:}\\e^x=5y\\\\\text{Divide both sides by 5:}\\\dfrac{e^x}{5}=y\\\\\large \boxed{f^{-1}(x)=\dfrac{e^x}{5}}$

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Who defeated Rommel during WWII?

Firdavs [7]

Answer:

General Patton

Step-by-step explanation:

He kicked Rommel into next year. Simple as that.

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Jameson Flip a quarter two times in a row. What is the probability that he flipped a heads followed by a tails?

Vadim26 [7]

Answer:

1/4

Step-by-step explanation:

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Step2247 [10]

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X/-4 + 14>20 someone help a girl out

MrRa [10]

Answer:

x < -20

Step-by-step explanation:

x / -4 + 14 >20

Subtract 14 from each side

x / -4 +14-14 > 20 -14

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Multiply each side by -4, remembering to flip the inequality

x / -4 * -4 < 6 * -4

x < -20

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