$y=2\sqrt[3]{x+2}\ \ \ |divide\ both\ sides\ by\ 2\\\\\sqrt[3]{x+2}=\dfrac{y}{2}\to x+2=\left(\frac{y}{2}\right)^3\ \ \ |subtract\ 2\ from\ both\ sides\\\\x=\dfrac{y^3}{2^3}-2\\\\x=\dfrac{1}{8}y^3-2\\\\\boxed{f(x)=2\sqrt[3]{x+2}\to f^{-1}(x)=\frac{1}{8}y^3-2}$

5 0

2 years ago

A scale model of a butterfly has a width of 12 centimeters and a height of 8 centimeters. If the actual width of the butterfly i

Nataliya [291]

Isn't it 5? x=5 cause the model's height is 4 less than the width so like if the actual width is 9 than the height is 4 smaller

8 0

3 years ago

[IMAGE] please help me with 1, 2, and 3

LUCKY_DIMON [66]

Answer:

1. 5n + 10d = 90

2. (18,0)

3. (0,9)

7 0

2 years ago