Which of the following numbers is irrational?

sqrt(15)

sqrt(3)

Step-by-step explanation:

sqrt(36) = 6

sqrt(25) = 5

sqrt(49) = 7

sqrt(15) cannot be simplified, it is irrational

sqrt(3) = cannot be simplified, it is irrational

bull

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2