Question

if f(x) = x^2 + 1 and g(x) = 3x + 1 find 2*f(4)

Answer 1

18
34
65

Answer 2

\[\large \bf f(x)=x^2+1\]
so to find f(4),just plug the value of x=4
you get
\[\large \bf f(4)=4^2+1=16+1=17\]

but our question says that :-
\[\large \bf 2 \times f(4)=2 \times 17=34=\color{red}{Answer}\]

Answer 3

understood? @smiley2015

Answer 4

yes

Answer 5

good :)

Answer 6

@smiley2015
just click the BEST RESPONSE right side to my comment if you want to give medal

Answer 7

you did it .... good :)