Which table represents a linear function? a.
x 1 2 3 4 5
y 5 10 15 20 25
b.
x 1 2 3 4 5
y 5 20 45 80 125
c.
x 1 2 3 4 5
y 5 25 125 625 3125
d.
x 1 2 3 4 5
y 2 4 8 16 32

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)