Answer:
f(2) = -2
Step-by-step explanation:
Substitute 2 everywhere you see an x so f(2) = -2() - 2(2) + 10 so
f(2) = -2(4) - 4 + 10, so f(2) = -8-4+10, f(2) = -12+10, f(2) = -2
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To get this, we use Pythagoras' theorem for the base
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Let us have the diagonal as l
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Thus, we calculate this using the Pytthagoras' theorem as follows;
