Mathematics: If f(x)=8-5x, what is f(2-k)

Plug in m/4 into the equation:Solve the parentheses in the equation:Your equation should now look like this:The answer is D....

If f(x)=8-5x, what is f(2-k) - id8528768534, cameronking019

Ответ:

princess6039

07.11.2020

Mathematics

f(2-k) = -2 + 5k

Discussion:

If f(x) = 8 - 5x , then

f(2-k) = 8 - 5(2-k) =>

f(2-k) = 8 - 10 + 5k =>

f(2-k) = -2 + 5k

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Ответ:

jtg23

25.09.2021

Mathematics

Plug in m/4 into the equation:

$8 (\frac{m}{4})^{2} - 4(\frac{m}{4})$

Solve the parentheses in the equation:

$\frac{m}{4}^{2} = \frac{m}{4} \times \frac{m}{4} = \frac{m^{2}}{16}$
$8 \times \frac{m^{2}}{16} = \frac{8m^{2}}{16} = \frac{m^{2}}{2}$

$4 \times \frac{m}{4} = \frac{4m}{4} = m$

Your equation should now look like this:

$\frac{m^{2}}{2} - m$

The answer is D.

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If f(x)=8-5x, what is f(2-k)

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