Register
Given the function f(x)= 23-2x, if f(x) =9, find x
187k views
2 votes
Given the function f(x)= 23-2x, if f(x) =9, find x

User Ryan Mitchell
by
8.9k points

1 Answer

1 vote

Answer: 7

Explanation:

If f(x) = 9, we can substitute it in the function and solve for x:

f(x) = 23 - 2x = 9

Subtracting 23 from both sides, we get:

-2x = 9 - 23 = -14

Dividing both sides by -2, we get:

x = -14/-2 = 7

Therefore, the value of x when f(x) = 9 is 7.

User Sziro
by
8.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.1m answers

Other Questions

What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!