(70 points) Which of the following has a graph that is a straight line?
Equation 1: y = 5x2 + 41
Equation 2: y = 14x5 − 4
Equation 3: y = 12x + 17
Equation 4: y4 = 2x − 1
Which of the following ordered pairs could be placed in the table and still have the relation qualify as a linear function?
Input
(x) Output
(y)
1 12
3 9
5 6
? ?
(7, 3)
(7, 10)
(3, 3)
(3, 10)