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velikii [3]
2 years ago
7

Let f(x)=3x^2-8 and let g(x)=4x+1. Find the given value f[g(-1)]

Mathematics
1 answer:
lana [24]2 years ago
7 0

Answer:

19

Step-by-step explanation:

given:

f(x)=3x²-8

g(x)=4x+1

g(-1) = 4(-1)+1

g(-1) = -4 + 1

g(-1) = -3

hence

f[g(-1)]

= f(-3)

= 3(-3)²-8

= 3(9) - 8

= 19

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3 years ago
1: 1/2 km equals to how many metres?
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1.
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7 0
2 years ago
FIND THE SUM:<br> (6x^2-2x-3)+(x^2-3x+1)<br><br> 1.6x^2+6x+3<br> 2.7x^2+5x+2<br> 3.7x^2-5x-2
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8x^2-5x-2

method

open bracket

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again collect like terms

8x^2-2x-3x-3+1

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5 0
2 years ago
What is 2+6*5/8 ? I need help with this math problem , thank you.
vampirchik [111]

Hey.

I hope that you're familiar with P.E.M.D.A.S :)

applying PEMDAS :

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Thanks.

8 0
3 years ago
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FIRST ANSWER WILL RECEIVE BRAILIEST!!
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Answer:

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7 0
2 years ago
Read 2 more answers
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