Given -x^2+10x-3, find the following.

Question

a.g(9) My answer is 168
b. g(-1) My answer is 8
c. g(-3) My answer is -24

Are my answers correct?

Answer 1

nope.
g(9) = -9^2+10*9-3 = -81+90-3 ...
g(-1) = -(-1)^2+10(-1)-3 = -1-10-3 ...
g(-3) = -(-3)^2+10(-3)-3 = -9-30-3 ...