Question

1. What is a function? Give an example of a function and explain why it is a function

2. For the equation y = 7x - 2, what is the rate of change? Explain what that rate of change means.

Answer 1

a function is :a relation from the set of inputs to a set of possible outputs where each input is related o exactly one output

or a function is: a function is an equation that has only one answer for y for every x