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3 years ago

5

Solve the linear inequality below. 9x – 8 > 4x + 7

2 answers:

navik [9.2K]3 years ago

7 0

Answer:

9x-4x>7+8

5x > 15

X >3

So the answer is x >3

Anna71 [15]3 years ago

5 0

Answer:

Step-by-step explanation:

9x-4>4x+7

-4x

5x-4>7

+4

5x>11/5

x>2.2

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3 years ago

If f(x)=7x-7 what is f(8)+f(4)

NARA [144]

<u>Given Function is</u>

f ( x ) = 7x - 7 ------- eqn ( 1 )

<u>Now , put the value of x = 8 in eqn ( 1 )</u>

f ( 8 ) = 7 ( 8 ) - 7
f ( 8 ) = 56 - 7
f ( 8 ) = 49 ------- eqn ( 2 )

<u>Now , put the value of x = 4 in eqn ( 1 )</u>

f ( 4 ) = 7 ( 4 ) - 7
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<h3 />

<u>From eqn ( 2 ) nd eqn ( 3 ) we get,</u>

f ( 8 ) + f ( 4 )
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