Question

Ma ajutati plz determinati m€r pt care punctul M(m+1 ; 3) apartine graficului functiei. F:r -> r,f(x) = 2x-1

Answer 1

$m=? \: ,\:m\:\in\:\mathbb{R}$

$f:\mathbb{R}\rightarrow\mathbb{R}\:,f(x)=2x-1$

$M(m+1,3)\:\in\:G_{f} = > f(m + 1) = 3$

$f(m + 1) = 2(m + 1) - 1 = 2m + 2 - 1 = 2m + 1$

$2m + 1 = 3$

$2m = 3 - 1$

$2m = 2 \: | \div 2$

$m = 1 \: \in \: \mathbb{R}$