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Given f (x) = 2x + 1 , find x when f (2) = 9
A 4
B 19
C 13
D 9

Given f (x) = 2x + 1 , find x when f (2) = 9 A 4 B 19 C 13 D 9-example-1

1 Answer

4 votes

Answer:

Explanation:

2x + 1 = 9

2x = 8

x = 4

answer is A

User Aneuris
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