There are 514 total glasses. each box holds a total of 6 glasses.
514/6 = 85.66, rounding up, you would need 86 boxes.
○ + ○ + ○= 30
○ + ¤¤ + ¤¤= 18
¤¤ - ☆☆= 2
☆ + ○ × ¤= ?
○ =10
¤¤ = 4 so ¤ =2
☆☆= 2 so ☆ = 1
○ + ○ + ○ = 10 + 10 + 10 = 30 ...correct
○ + ¤¤ + ¤¤ = 10 + 4 + 4 = 18 ...correct
¤¤ - ☆☆ = 4 - 2 = 2 ...correct
☆ + ○ × ¤= 1 + 10 x 2 = 21
Answer:
The answer is y = ±
,
is a function ⇒ 1st answer
Step-by-step explanation:
Let us revise the steps of find the inverse of a function
- Replace f(x) with y
- Replace every x by y and replace y by x
- Solve the equation in Step 2 for y
- Replace y by
∵ 
- Replace f(x) by y
∴ 
- Replace y by x and x by y
∴
- Divide each side by 4
∴ 
- Take
for both sides
∴ ± ![\sqrt[4]{\frac{x}{4}}=y](https://tex.z-dn.net/?f=%5Csqrt%5B4%5D%7B%5Cfrac%7Bx%7D%7B4%7D%7D%3Dy)
- Switch the two sides
∴ y = ±
∵ There is no fourth root for negative number
∴ x ≥ 0
When you test the graph of
by a vertical line, it will cut it just at one in every position, so it is a function. Look to the attached graph for more understand
∴
is a function
The answer is y = ±
,
is a function
The fourth root of 256 is 4:
The answer is square root of 2