desarai21 desarai21

24-09-2020
Mathematics

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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 class=

Respuesta :

meredith48034 meredith48034

24-09-2020

Answer:

Step-by-step explanation:

2x + 1 = 9

2x = 8

x = 4

answer is A

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