Question

Which of the follow functions are linear? Explain how you know.

y - 4 = -8(x – 1)

y = x4

y – x2 = 4.5

3x + 5y = 15

Answer 1

in the second is it y=x*4 or y=\[y=x ^{4}\]

Answer 2

?

Answer 3

y=x^4

Answer 4

then only first and last

Answer 5

linear mean that both x and y are in 1 degree

Answer 6

same with the third x^2