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>
That means when x=0
e^-0.2x =e^0=1
So f(0)=15/5=3
Every day that person consumes <span>1.87561643836 pounds of fruit and vegetables in a day.</span>
Simplify the <u>expression</u>.
2m
