Find the range of f(x)=-x+4 for the domain {-3,-2,-1,1}
A) {7, 6, 5, 3}
B) {7, 6, 5, 4}
C) {-7,-6,-5,3}
D) {-7,-6,-5,4}
Just list the f values for each x value. For example,
f(-3) = -(-3)+4 = 7
so, 7 is in the range
now do the others as needed. You already know that C and D are out.