Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.
A. entirely negative: 
; entirely positive: 
B. entirely negative: 
; entirely positive: 
C. entirely negative: 
; entirely positive: 
D. entirely negative: 
; entirely positive: 
E. entirely negative: 
; entirely positive: 
Answer: C
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Graph the radical function. Compare the graph to that of the square root function or cube root function.G(x) = 2
A. It looks like the graph of the square root
function, but it is stretched by a factor of 2
and reflected over the x-axis.
B. It looks like the graph of the square root
function, but it is stretched by a factor of 2.
C. It looks like the graph of the square root
function, but it is stretched by a factor of 2
and reflected over the x-axis.
D. It looks like the graph of the cube root
function, but it is stretched by a factor of 2.