SOLUTION: the graph at the right shows the equation y=4square root of x. based on this graph answer the questions below. how many real roots does 4 square root of 4 have? (you do not have

Question 252553: the graph at the right shows the equation y=4square root of x. based on this graph answer the questions below.
how many real roots does 4 square root of 4 have? (you do not have to find the value of these roots-just tell how many there are.)
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
Looking at the original function

we let x = 0 and find the y-intercept: Y = 0.
Since both X and Y = 0, the function has a root is at the origin. That is its only root.
If x = 4, then 4 sqrt(4) = 4*2 = 8. WE have the output,range, Y-value of 8 if the input, domain, X-value is 4.
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