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qwelly [4]
3 years ago
9

Do not understand please help

Mathematics
2 answers:
agasfer [191]3 years ago
7 0
A is equal to 4.3. Bye.
iren2701 [21]3 years ago
7 0
A/b= 16/30

i think sorry if it is wrong idk
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Evaluate the function for the given value.<br> If f(x) = -3x2 – 8, then f(-4)= ?
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Answer:

The answer is

<h2>f( - 4) =  - 56</h2>

Step-by-step explanation:

f(x) =  - 3 {x}^{2}  - 8 \\

To find f(-4) , substitute the value of x that's - 4 into f(x). That is for every x in f(x) , replace it with - 4

We have

f( - 4) =  - 3 ({ - 4})^{2}  - 8 \\  =  - 3(16) - 8 \\  =  - 48 - 8 \:  \:  \:  \:  \:

We have the final answer as

f( - 4) =  - 56

Hope this helps you

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