Which set of ordered pairs represents a function?

{0, 1), (1, 3), (1,5), (2, 8) }

{ (0, 0), (1, 2), (2, 6), (2, 8) }

{ (0, 0), (0, 2), (2.0), (2, 4) }

{ (0, 2), (1, 4), (2,6), (3,6) }

What is the focal length of the parabola whose graph is shown? focus: (-3, 2.6) and directrix: (-0.6)

Problem: Find the sum of the constants a, b, c and such that 2x^2-8x+7=a (x-h) ^2+k for all real numbers

Evaluate. Be smart, (2.31∙5.82+4.18∙2.31+90∙2.31) : 2.31∙0.55

Does y=2x+3 have a solution

What is the value of x to the nearest tenth tan 64 degrees = x/7

How many times larger is the rectangular prism than the cube? A. 6 B. 4 C. 30 D. 2

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8

Which statement is true about f (x) = square root x

Two times the smallest of three consecutives even integers is four more than three times the largest. Find the integers.

If f (x) = 8x and g (x) = 2X+1 find (fog) (x)