SAT Subject Test Mathematics Level 1

function    f   is  assumed to  be  the set of  all real    numbers x   for which   f (x)

is  a   real    number.

The corresponding   set of  all y   values  is  called  the range.

Example 1

To find f(a + 2), plug x = a + 2 into the definition. Substituting an algebraic
expression for x is a little more complicated than substituting a number for x,
but the idea’s the same.

1. If       then    f(a +   2)  =

(A)

(B)

(C)

(D)

(E)