Question

a function is given as fx=2x+7 find its value at x=-3​

Answer 1

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Answer 2

Answer:

$f(x) = 1$

Step-by-step explanation:

$given \: equation \: \\ \: f(x) = 2x + 7 \: \: and \: x = - 3 \\ now \: \\ put \: x = - 3 \: in \: the \: given \: equation \\ = > f(x) = 2x + 7 \\ = > f( - 3) = 2( - 3) + 7 \\ \: \: = > - 6 + 7 \\ = > 1$