Question

If f ( x ) = -3x+ 7, then f (1) = ?

Answer 1

F(x) = -3x+7
F(1)= -3(1)+7
= - 3+7
=4

Answer 2

f(x)= -3x+7
=>f(1)= -3(1)+7
=>f(1)=-3+7=4