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sashaice [31]
3 years ago
6

YO PLZ HELP!! MARKING BRAINIEST!!

Mathematics
1 answer:
Yuliya22 [10]3 years ago
8 0

Answer:

x = 26, 16

Step-by-step explanation:

( x-21) ^2 = 25

Take the square root of each side

sqrt(( x-21) ^2) = ±sqrt(25)

x-21 = ±5

Add 21 to each side

x-21+21 = 21±5

x = 21±5

x = 21+5  and x = 21-5

x = 26, 16

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Answer:

Given the function f(x) = 3x + 1, evaluation of f(a + 1) gives:  

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