If n is divided by 7 the remainder is 3. What is the remainder if 3n is divided by 7 a)2 b)3 c)4 d)5 e)6

4.

step-by-step explanation:

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step-by-step explanation:

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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