3 years ago

Please help with #1 I’m confused

Mathematics

1 answer:

Dafna11 [192]3 years ago

7 0

Answer:

Basically you have to find the area of each side. Fore example A would be 4*2=8 and do that for all side with their corresponding units

Step-by-step explanation:

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========================================

Work Shown:

$g(x) = x^2 - 3\\\\g(h(x)) = (h(x))^2 - 3\\\\g(h(x)) = (2x+5)^2 - 3\\\\g(h(x)) = (2x+5)(2x+5) - 3\\\\g(h(x)) = 4x^2+10x+10x+25 - 3\\\\g(h(x)) = 4x^2+20x+25 - 3\\\\g(h(x)) = 4x^2+20x+22\\\\$

Explanation: I replaced every x with h(x) in step 2. In step 3, I replaced h(x) with 2x+5 just on the right hand side only. From there, expand and simplify.

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