3 years ago

Help on number 3 please thank you ver much

Mathematics

1 answer:

iVinArrow [24]3 years ago

7 0

I think it would be these two

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4 years ago

10 points! Please help ASAP.

DerKrebs [107]

Answer: Yes
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4 years ago

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For the function shown below, find f(3): f(x)=2x^4-8x^2+5x-7

a_sh-v [17]

We have been given the function

$f(x)=2x^4-8x^2+5x-7$

We have to find the value of f(3). In order to find the same, substitute x=3 in the given function.

$f(3)=2(3)^4-8(3)^2+5(3)-7$

Now, we simplify this step by step.

First of all $3^4=81\text{ and }3^2=9$ . Thus, we have

$f(3)=2\times 81 -8\times 9+5(3)-7$

Now, we can easily simplify it by PEMDAS

$f(3)=162-72+15-7$

$f(3)=98$

Therefore, the value of f(3) is 98.

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Answer:

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