Evaluating+function+notation,+given+an+input+valueSet+6

Give an example of a linear function, using function notation, and create a problem in which a) you are given an input value and asked to solve for the output value, and then b) you are given an output value and asked to solve for the intput value

Give an example of a quadratic function, using function notation, and create a problem in which a) you are given an input value and asked to solve for the output value, and then b) you are given an output value and asked to solve for the intput value