Question 7602
f(x) = {{{x^2 - 7x + 10}}}


f(0) means put 0 everywhere you had x, so we get f(0) = {{{0^2 - 7(0) + 10}}}
 --> f(0) = 10


f(5) means put 5 everywhere you had x, so we get f(5) = {{{5^2 - 7(5) + 10}}}
 --> f(5) = 25 - 35 + 10
 --> f(5) = 0


f(-2) means put -2 everywhere you had x, so we get f(-2) = {{{(-2)^2 - 7(-2) + 10}}}
 --> f(-2) = 4 + 14 + 10
 --> f(-2) = 28


jon.