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3 years ago

Can someone plz help me with this one problem!!!

Mathematics

2 answers:

aivan3 [116]3 years ago

8 0

No because x is 4 and y is 6 so y is not equal to x.

Tems11 [23]3 years ago

6 0

Answer:

Step-by-step explanation:

4,6 X is the first coordinate y is the second

so thta means the equation is 4=6 and 4 is not equal to 6

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What is the inverse of the function below? f(x) = 5x - 2

kupik [55]

Answer:

B. f -1(x) = x + 2 / 5

$f^{-1}(x)=\frac{x+2}{5}$

Step-by-step explanation:

To find the inverse of a function we need to interchange x and y an solve for y.

Since $f(x)=y$ , then

$f(x)=5x-2$

$y=5x-2$

$x=5y-2$

Add 2 to both sides

$x+2=5y-2+2$

$x+2=5y$

Divide both sides by 5

$\frac{x+2}{5}=\frac{5y}{5}$

$\frac{x+2}{5}=y$

$y=\frac{x+2}{5}$

$f^{-1}(x)=\frac{x+2}{5}$

We can conclude that the correct answer is B. f -1(x) = x + 2 / 5

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3 years ago

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His yearly salary is 10,800

6 0

4 years ago

Read 2 more answers

Why is this math answer wrong? Please help regarding natural logs?

Alenkinab [10]

$\bf 7275(2^k)^3~~+~~5723\cdot 2^k~~+~~4725k(2^k)^3~~+~~3717k2^k~\hfill \begin{cases} n=2^k\\ k=\frac{ln(n)}{ln(2)}\\[-0.5em] \hrulefill\\ n=2^{\frac{ln(n)}{ln(2)}} \end{cases} \\\\[-0.35em] ~\dotfill$

$\bf 7275n^3~~+~~5223n~~+~~4725\cdot \cfrac{ln(n)}{ln(2)}(n^3)~~+~~3717\cfrac{ln(n)}{ln(2)}(n) \\\\\\ 7275\left( 2^{\frac{ln(n)}{ln(2)}} \right)^3+5273\left( 2^{\frac{ln(n)}{ln(2)}} \right)+4275\cfrac{ln(n)}{ln(2)}\left( 2^{\frac{ln(n)}{ln(2)}} \right)^3+3717\cfrac{ln(n)}{ln(2)}\left( 2^{\frac{ln(n)}{ln(2)}} \right)$