Which graph represents a reflection of f(x) = 2(0.4)x across the y-axis?

Mathematics

2 answers:

aleksley [76]3 years ago

7 0

Answer:

The graph in the attached figure

Step-by-step explanation:

we know that

In a reflection across the y-axis the y-coordinate remains the same, but the x-coordinate is transformed into its opposite

we have

$f(x)=2(0.4)^{x}$

The reflection of f(x) across the y-axis is equal to the function g(x)

$g(x)=2(0.4)^{-x}$

The graph in the attached figure

11111nata11111 [884]3 years ago

7 0

Answer:

i think its a, but dont be mad if im rong.

Step-by-step explanation:

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olga2289 [7]

Answer:

3 79/100

Step-by-step explanation:

$3\dfrac{1}{5}+2\dfrac{1}{5}\div\dfrac{5}{11}-3\dfrac{2}{5}\times\left(-1\dfrac{1}{4}\right)\qquad\text{given}\\\\=\dfrac{16}{5}+\left(\dfrac{11}{5}\cdot\dfrac{11}{5}\right)-\left(\dfrac{17}{5}\cdot\dfrac{5}{4}\right)\\\\=\dfrac{16}{5}+\dfrac{121}{25}-\dfrac{17}{4}=\dfrac{320+484-425}{100}=\dfrac{379}{100}\\\\=\boxed{3\dfrac{79}{100}}$