Translate the sentence into an inequality. Twice the difference of a number and 2 is at least 21. Whoever is correct gets brainliest!

2(c-2) >= 21

Step-by-step explanation:

At least means the smallest number must be, so the symbol is greater than or equal to for 21 to be the smallest possible number.

For twice the difference of a number and 2, we need the difference first, then we multiply by 2, hence 2(c-2).

Combining all of our previous information, 2(c-2) >= 21.

I hope this helps! :)

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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