Question

Determine whether the relation y = sqrt{10x + 5} defines y as a function of x. Give the domain. Does the equation describe y as a function of x? -A. No, because the equation y = sqrt{10x +5} assigns more than one y-value to one of the x-values. -B. Yes, because the equation y = sqrt{10x+5} assigns at least one y-value to each distinct x-value. -C. No, because the equation y = sqrt{10x+5} assigns exactly one x-value to each distinct y-value. -D. Yes, the equation y = sqrt{10x+5} assigns exactly one y-value to each distinct x-value in the domain. What is the domain? (Type your answer in interval notation.)

          Determine whether the relation y = sqrt{10x + 5} defines y as a function of x. Give the domain.
Does the equation describe y as a function of x?
-A. No, because the equation y = sqrt{10x +5} assigns more than one y-value to one of the x-values.
-B. Yes, because the equation y = sqrt{10x+5} assigns at least one y-value to each distinct x-value.
-C. No, because the equation y = sqrt{10x+5} assigns exactly one x-value to each distinct y-value.
-D. Yes, the equation y = sqrt{10x+5} assigns exactly one y-value to each distinct x-value in the domain.
What is the domain?
(Type your answer in interval notation.)

Determine whether the relation y = sqrt10x + 5 defines y as a function of x. Give the domain.
Does the equation describe y as a function of x?
-A. No, because the equation y = sqrt10x +5 assigns more than one y-value to one of the x-values.
-B. Yes, because the equation y = sqrt10x+5 assigns at least one y-value to each distinct x-value.
-C. No, because the equation y = sqrt10x+5 assigns exactly one x-value to each distinct y-value.
-D. Yes, the equation y = sqrt10x+5 assigns exactly one y-value to each distinct x-value in the domain.
What is the domain?
(Type your answer in interval notation.)

Added by Kimberly G.

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