<h2><em><u>Answ</u></em><em><u>er</u></em><em><u>:</u></em><em><u>-</u></em></h2>
★ Input of the given function F(x) is 5.
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<h3>• <u>Given</u><u>:</u><u>-</u></h3>✯ F(x) = 7x - 9
✯ Output = 26
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<h3>• <u>Solution</u><u>:</u><u>-</u></h3>According to the question the output is 26.
Hence, the above data can be written in an equation form.
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➪ F(x) = 7x - 9 = 26
➪ 7x = 26 + 9
➪ 7x = 35
➪
➪
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Therefore, F(x) = 5