Question

The table below shows the values of y for each value of x.
x y
0 1
1 2
2 3
3 3
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

Answer 1

keystone?

Answer 2

Part A It is a function as there are no duplicate values of x

Answer 3

f(h) = 70h + 50
f(2) = 70(2) + 50 = ?

Answer 4

50 is the call out charge and he charges 70 dollars for every hour worked.

Answer 5

f(2) is the charge for 2 hours work.