Use compatible numbers to find two estimates that the quotient is between. For example:
1,624 divided by 3
<span> 1500 / 3 = 500 </span>
<span>1800 / 3 = 600</span>
The function for a is (f o g) (x) = 8x^2-10.
Explanation
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I already knew that the g of x is equal to

so I substitute inside of the g of x

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simplify it

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Answer:
the answer is x=-2 as answer
Answer:
x = 2
2x + 1 = -x +7 Add and subtract
3x = 6 divide
x = 2