F(x) = 3x + 1
let f(x) = y
y = 3x + 1
y - 1 = 3x
3x = y - 1
x = (y - 1)/3
From y = f(x), x = f⁻¹(y)
<span>x = (y - 1)/3
</span>
f⁻¹(y) = (y - 1)/3
f⁻¹(7) = <span>(7 - 1)/3 = 6/3 = 2
</span>f⁻¹(7)<span> = 2</span>
Answer:
The second answer. If I got it wrong tried my best
Step-by-step explanation:
brainliest
<h2>It's <u>1849</u></h2>
I'll explain how I found it without actual multiplication,

So,

Hope this will help....
Answer:
h=14
Step-by-step explanation:
18h=252
18h/18=252/18
h=14
Answer:
11
Step-by-step explanation: