Select the expression that is equivalent to (x + 4)2.
a. x2 + 4x + 16
b. x2 + 8x2 + 16
c. 2x + 8x + 16
d. x2 + 8x + 16

X^2+8x+16

Step-by-step explanation:

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y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.