Use the graph to answer the following questions - Junior Cycle Mathematics - Question 3 - 2016
Question 3
Use the graph to answer the following questions.
(i) Find the value of h(4).
(ii) What number must ⊙ represent, if h(⊙) = 1 ?
Use the graph above to fill in the t... show full transcript
Worked Solution & Example Answer:Use the graph to answer the following questions - Junior Cycle Mathematics - Question 3 - 2016
Step 1
Find the value of h(4).
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Answer
From the graph, we need to locate the point where x = 4. The corresponding value h(4) is determined by identifying the y-coordinate at this point. Checking the graph, we see that at x = 4, h(4) = 3.
Step 2
What number must ⊙ represent, if h(⊙) = 1 ?
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Answer
To find what number ⊙ represents, we look for the y-coordinate of 1 on the graph and trace it back to the x-axis. Observing the graph, we find that h(2) = 1. Therefore, ⊙ = 2.
Step 3
Fill in the right-hand box.
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Answer
For x = 5, the corresponding value from the graph is h(5) = 3.5.
Step 4
Fill in the left-hand box.
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Answer
For x = 0, the corresponding value from the graph is h(0) = -1.
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