How can you use similar triangles to describe why the pantograph works as it does?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?