answer:
$0.75
Step-by-step explanation:
the function can be represented as:
f(x)=0.25x+3.5
the function produces the following values for years 1, 2, and 3 respectively:
f(1)=0.25(1)+3.5=3.75
f(2)=0.25(2)+3.5=4.00
f(3)=0.25(3)+3.5=4.25
therefore,
there is a $0.75 increase per year
