sat suite question viewer
For the function f, if for all values of x, what is the value of
?
Explanation
Choice B is correct. Itโs given that for all values of x. If
, then
will equal
. Dividing both sides of
by 3 gives
. Therefore, substituting 2 for x in the given equation yields
, which can be rewritten as
.
Choice A is incorrect. This is the value of the constant in the given equation for f. Choice C is incorrect and may result from substituting , rather than
, into the given equation. Choice D is incorrect. This is the value of x that yields
for the left-hand side of the given equation; itโs not the value of
.