I think it’s D is the answer
Yo mean evaluate
plug 3 for every x yo see
f(3)=-5(3)+13
f(3)=-15+13
f(3)=-2
f(3)=-2
75 is my answer and this is a guess so if its right tell me
It’s height x width 0.45 X 11= 4.95
Make sure not to put the unit behind it ;)