Question

Is the sum of two linear functions also a linear function

Answer 1

 Make up linear functions f(x) and g(x). Explore, with diffefent pairs of f(x) and g(x) the graphs for

i. h(x) = f(x) + g(x)

ii. h(x) = f(x).g(x)

iii. h(x) = f(x)/g(x)

iv. h(x) = f(g(x))

Summarize and illustrate."