Which of these graphs represents a function a) b) c) d)

C

Step-by-step explanation:

C. is the only graph where the line only passes it once

hope this helps :3

if it did pls mark brainliest

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

.632

step-by-step explanation:

6 * 1/10 = 3/5

3*0.01 = 0.03

3/5 + 0.03 = .63

2*0.002 = .002

.63 + 0.002 = .632