Question

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the graph is continuous and nonlinear
the y - intercept represents the initial amount of lodine 131
the graph is not symmetric
the end behavior implies that as time increases, the concentration of lodine 131 will
select choice
select choice
approach 20 mg
continue to decrease indefinitely
continue to decrease to 0
lodine 131 (
number of days

Explanation:

Step1: Analyze the graph's continuity

A continuous graph has no breaks or jumps. From the description, the graph is continuous.

Step2: Determine if it's linear or nonlinear

A linear graph is a straight - line. Since the graph is not a straight - line (implied by being non - linear as per the given check - marks), it is nonlinear.

Step3: Check symmetry

Symmetric graphs have a line of symmetry. Since it's marked as not symmetric, there is no such line.

Step4: Interpret the y - intercept

The y - intercept is where \(x = 0\). In a radioactive decay (Iodine - 131 is radioactive), the y - intercept represents the initial amount.

Step5: Analyze end - behavior

For radioactive substances, as time (\(x\)) increases, the amount (concentration) decreases until it approaches \(0\) (all of it has decayed).

Answer:

The graph is continuous and nonlinear. The graph is not symmetric. The y - intercept represents the initial amount of Iodine 131. The end behavior implies that as time increases, the concentration of Iodine 131 will continue to decrease to 0.