Given f(x) = -x - 8 and f(x) = -10, find x. (What was the input?)

Question

asked Apr 14, 2023 126k views

1 Answer

Amgad Fahmi · Answer 1 · 2023-04-18T09:53:07+0000

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Here, we need to find the input that will result in f(x) = -10

So, let's equate those two ~

$\qquad \sf  \dashrightarrow \: - x - 8 = - 10$

$\qquad \sf  \dashrightarrow \: - x = - 10 + 8$

$\qquad \sf  \dashrightarrow \: - x = - 2$

$\qquad \sf  \dashrightarrow \: x = 2$

So, the input as x = 2 to get the given results.