3 years ago

Evaluate 5 + 2(x + 7)2 for x = -4. O A. 23 O B. 13 O C. 18 O D. 63

Mathematics

2 answers:

dusya [7]3 years ago

7 0

Hey there! :)

Answer:

A. 23.

Step-by-step explanation:

Given:

5 + 2(x + 7)² for x = -4

Substitute in -4 for x in the equation:

5 + 2((-4) + 7)²

5 + 2(3)²

5 + 2(9)

5 + 18 = 23.

Therefore, the correct answer is A. 23.

sertanlavr [38]3 years ago

5 0

Answer:

Step-by-step explanation:

5 + 2(x + 7)^2

Let x =-4

5 + 2 ( -4+7)^2

Parentheses first

5 +2 (3)^2

5+ 2*9

Multiply

5+18

add

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