Question

Part A: Does the table represent a relation that is a function? Justify your answer by using the values shown in the table. (4 points)

Part B: The function f(h) shown below represents a plumber's total charges, inclusive of call out charges, for h hours of work.

f(h) = 70h + 50

Calculate and interpret the meaning of f(2). (4 points)

Part C: Write an ordered pair to represent the input and output of the function in Part B when the plumber works for d hours. (2 points)

Answer 1

@sleepyjess

Answer 2

Part A: http://www.mathsisfun.com/sets/function.html
Part B: f(2) means that you will substitute 2 for h.
Part C: What is d hours?

Answer 3

Does that help?

Answer 4

yes :3 thank you

Answer 5

Do they give a number for d on part 3?

Answer 6

no they just gave me tht