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>
15 is 60% of 25. 15/25 is equal to .6 or 60%
Answer:
-8
Step-by-step explanation:
Step-by-step explanation:
This is your answer
Answer:
D
Step-by-step explanation:
360h+6,400 >8,020, with a solution is h> 4.
