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g is the function $g: x \mapsto x - 1$, where $x \in \mathbb{R}$ - Junior Cycle Mathematics - Question (i) - 2014

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Question (i)

g-is-the-function-$g:-x-\mapsto-x---1$,-where-$x-\in-\mathbb{R}$-Junior Cycle Mathematics-Question (i)-2014.png

g is the function $g: x \mapsto x - 1$, where $x \in \mathbb{R}$. Find the value of each of the following. g(3) g(-2)

Worked Solution & Example Answer:g is the function $g: x \mapsto x - 1$, where $x \in \mathbb{R}$ - Junior Cycle Mathematics - Question (i) - 2014

Step 1

g(3)

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Answer

To find g(3)g(3), substitute 33 into the function:

g(3)=3−1=2g(3) = 3 - 1 = 2

Step 2

g(-2)

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Answer

To find g(−2)g(-2), substitute −2-2 into the function:

g(−2)=−2−1=−3g(-2) = -2 - 1 = -3

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