Question
Asked Oct 19, 2019
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Use the function f(x)=x^2-4 and g(x)=2x+20 and answer (a)

(a) Solve g(x)<=0.

What is the correct answer in interval notation?

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Expert Answer

Step 1

Given: -

f(x)=x -4
g(x) 2x+20
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f(x)=x -4 g(x) 2x+20

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Step 2

To find: -

to find x such that g (x)0
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to find x such that g (x)0

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Step 3

Calculation...

It is given that g(x)= 2x + 20
2x 200
2xs-20
dividing by' 2
x2-10
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It is given that g(x)= 2x + 20 2x 200 2xs-20 dividing by' 2 x2-10

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