A little help? A set of numbers is given below. √72, 9.25, √83, 2, 8.7 Which list correctly orders the numbers from least to gre
1 answer:
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Answer:
The domain of (fog)(x) is
Step-by-step explanation:
Given function as :
f(x) = x² - 1 And
g(x) = - 2x - 3
So, Function (fog)(x) = ( -2x - 3 )² - 1
Or, (fog)(x) = ( 4x² + 12x + 9) - 1
Or, (fog)(x) = 4x² + 12x + 8
Or, (fog)(x) = 4x² + 4x + 8x + 8
Or, (fog)(x) = 4x ( x + 1 ) + 8 ( x + 1 )
Or, (fog)(x) = ( 4x + 8 ) ( x + 1 )
∴ (fog)(x) lies between - 8 to - 1
Hence The domain of (fog)(x) is Answer
