Class 9th math Review Exercise 3 solution english PCTB

Question 10: If \(g(x)=7x-2\) and \(s(x)=8x^2-3\) find:

\((iv)\) \(\;\) \(s(1) \)

Solution:

\(s(x)=8x^2-3\)

\(s(1)=8(1)^2-3\)

\(\ \ \ \ \ \ \ =8-3\)

\(\ \ \ \ \ \ \ =5\)

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