Answer
a.
$x=1, y=5.59$
$x=3, y=5.99$
$x=5, y=6.39$
b. $2005$
c. $2013$
Work Step by Step
a.
$y=0.2x+5.39$
$y=0.2(1)+5.39$
$y=0.2+5.39$
$y=5.59$
$y=0.2(3)+5.39$
$y=0.6+5.39$
$y=5.99$
$y=0.2(5)+5.39$
$y=1+5.39$
$y=6.39$
b.
$y=0.2x + 5.39$
$6.4=0.2x+5.39$
$1.01=0.2x$
$x\approx5$
$2000+5=2005$
c.
$y=0.2x + 5.39$
$8=0.2x+5.39$
$2.61=0.2x$
$x\approx13$
$2000+13=2013$