Question

Suppose a system of linear equations take the form:

y= F(x)=50-2x
and y = G(x) = 20+x
Find the area between
F(x) and y = 12

Answer 1

y = F(x) = 50 - 2x

at y = 12

12 = 50 - 2x

12 - 50 = -2x

-38 = -2x

x = 19

at G (x) = 20 + x

12 = 20 + x

x = -8