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1.

Which description compares the domains of Function A and Function B correctly?

 

Function A: f(x)=√(-x)

Function B:

A linear function graphed on a grid in Quadrant Three, with the x and y axis beginning at negative ten and increasing in increments of two until reaching ten. The function, labeled g of x, contains a filled in point at begin ordered pair zero comma zero end ordered pair and passes through begin ordered pair negative two comma negative two end ordered pair, begin ordered pair negative four comma four end ordered pair, and begin ordered pair negative six comma negative six end ordered pair while extending to negative infinity.

 

  • The domain of Function A is the set of real numbers greater than 0.
    The domain of Function B is the set of real numbers less than or equal to 0.

  • The domain of both functions is the set of real numbers greater than or equal to 0.

  • The domain of both functions is the set of real numbers less than or equal to 0.

  • The domain of Function A is the set of real numbers greater than 0.
    The domain of Function B is the set of real numbers greater than or equal to 0.

2. 

Which comparison is correct for the values of f(x) and g(x) when x=−3?

 

Function A: f(x)=−x^2+4

Function B:

xg(x)
−5−2
−40
−31
−24

 

  • f(−3)=g(−3)

  • f(−3)>g(−3)

  • f(−3)

Guest Mar 16, 2018
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1+0 Answers

 #1
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+2

1.

 

The domain of both functions is the set of real numbers less than or equal to 0.

 

 

2.  When x  = -3.....function A  = -5     and Function B  = -2

 

So    g(-3)  >  f(-3)

 

 

cool cool cool

CPhill  Mar 16, 2018

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