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3 years ago

If f(x)=4x-12 what is f(2)

Mathematics

2 answers:

oee [108]3 years ago

8 0

Answer:

f(2) =-4

Step-by-step explanation:

f(x)=4x-12

Let x=2

f(2) = 4(2) -12

=8-12

=-4

Free_Kalibri [48]3 years ago

4 0

Answer:

-4

Step-by-step explanation:

plug 2 into the equation.

f(2)=4(2)-12

= 8-12

= -4

I hope this helped!

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A regular decagon has sides that are 8 cm long. What is the area of the figure? Round to the nearest whole number.

blsea [12.9K]

Given:

Given that the regular decagon has sides that are 8 cm long.

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The area of the regular decagon can be determined using the formula,

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Substituting s = 8 and n = 10, we get;

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Simplifying, we get;

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kumpel [21]

Hi there!

To solve this equation, I first would like to warn you about the long answer I am about to post for you. I'll be putting in very detailed steps for you, showing you how to simplify and distribute numbers, etc. :)

Let us solve your equation step-by-step.

Step 1) Simplify both sides of the equation.

To simplify this, we will...

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(-2x) + (4 + - 14) = 3x + 15

Now, we combine Like Terms...

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Fwew! That was probably going to be the longest step here!

Step 2) Subtract 3x from both sides.

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Step 3) Add 10 to both sides.

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Step 4) Divide both sides by -5.

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So, our final answer is x = -5.

Hope this helps!

Message me if you need anything else! I'd be happy to help! :D

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