I think 7 is B and 8 is A, but im not really sure about this so im sorry if this is wrong
8x + 3 ≠ 0
8x ≠ -3
x ≠ 
Interval Notation: (∞, ) U ( , ∞)
Answer:
The inverse function f^-1 (x) = (1/5) x
Step-by-step explanation:
* Lets explain what is the meaning of f^-1(x)
- f^-1 (x) the inverse function of f(x)
* How to find the inverse function
- In the function f(x) = ax + b, where a and b are constant
- Lets switch x and y
∵ y = ax + b
∴ x = ay + b
* Now lets solve to find y in terms of x
∵ x = ay + b ⇒ subtract b from the both sides
∴ x - b = ay ⇒ divide the two sides by a
∴ (x - b)/a = y
∴ The inverse function f^-1 (x) = (x - b)/a
* Lets do that with our problem
∵ f(x) = 5x ⇒ y = 5x
∴ x = 5y
- Find y in terms of x
∵ x = 5y ⇒ divide the both sides by 5
∴ x/5 = y
∴ f^-1 (x) = (1/5) x
* The inverse function f^-1 (x) = (1/5) x
Answer:
Step-by-step explanation:
The probability of u choosing two orange socks from the sock drawer WITHOUT REPLACEMENT:
= P(the first one is Orange) * P(the second one is Orange)
= 10/40 * 9/39 = 3/52.
Answer:
the 4th one, hop this helps sorry if I wasn't right.
