Answer: 
Concept:
In a function f(x), it represents a function in terms of x or for x. Therefore, to find the values in the function, substitute values within the parenthesis to solve.
Solve:
<u>Given information</u>

<u>Need to find</u>

<u>Substitute (x + 4) to the position of x</u>

<u>Distributive property on the numerator</u>

<u>Combine like terms</u>


Hope this helps!! :)
Please let me know if you have any questions
It is said the blue card is a rectangle, so you don’t have to minus the inside rectangle. :)
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➷ 3x + 1 = 511
Subtract 1 from both sides:
3x = 510
Divide both sides by 3:
x = 170
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
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Just multiply bruh
2.55= 2.55 IT IS TRUE
Answer:
13 4/9
Step-by-step explanation: