3 years ago

Given f(x) = 3x + 1, solve for x when f(x) = 7.

Mathematics

2 answers:

irakobra [83]3 years ago

4 0

Answer:

f(7) = 22 or x =2

Step-by-step explanation:

f(x) = 3x + 1
f(7) = 3(7) + 1
f(7) = 21 + 1
f(7) = 22

<u>Or if the equation meant it like this:</u>

f(x) = 3x + 1
7 = 3x + 1
6 = 3x
2 = x

kirill [66]3 years ago

3 0

Answer:

f(7) = 22

Step-by-step explanation:

1. f(x) = 3x + 1

2. f(7) = 3(7) + 1

3. f(7) = 21 + 1

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