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3 years ago

Choose the Range of this Function in INTERVAL NOTATION. Order and symbols MATTER. *

Mathematics

1 answer:

klio [65]3 years ago

4 0

Range is the y-values and since the arrows extend off the graph, we can assume it goes on forever so

answer: (-infinity,+infinity)

make sure it’s parenthesis, not brackets

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Which function represents a reflection of f(x) = 3/8 (4)x across the y-axis?

almond37 [142]

Answer:

D is correct option. $g(x)=\frac{3}{8}\cdot (4)^{-x}$

Step-by-step explanation:

We are given a function $f(x)=\frac{3}{8}\cdot (4)^x$

We need to find new function reflection of f(x) across the y-axis.

When function reflection across y-axis $x\rightarrow -x$

$\text{Reflection across y-axis}f(x)\rightarrow f(-x)$

Therefore, $f(-x)=\frac{3}{8}\cdot (4)^{-x}$

New function, $g(x)=f(-x)$

$g(x)=\frac{3}{8}\cdot (4)^{-x}$

Thus, D is correct option.

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