SOLUTION: what is the domain of f(x)= x squared minus 9
what is the domain of f(x)=square root of x+2
what is the range of f(x)=square root of x+2
what is the range of f(x)=x square
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Question 460501: what is the domain of f(x)= x squared minus 9
what is the domain of f(x)=square root of x+2
what is the range of f(x)=square root of x+2
what is the range of f(x)=x squared minus 4
I have been looking and trying to figure out these 4 prooblems for DAYS now! please help me!
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
domain of f(x)= x^2-9
All real numbers.
.
domain of f(x)=sqrt(x+2)
X[-2, infinity)
.
range of sqrt(x+2)
Y[0, infinity)
.
range of x^2-4
minimum of x is -b/2a = 0/2 = 0
minimum of y when x=0 is 0-4=-4
range=Y[-4, infinity)
.
Ed
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