Use the function to answer the question. f : x → 3 - x What is the value of f(-4) ? A. -4 B. -1 C. 3 D. 7 _____________________________________________________ What is the domain of k(x) = √x + 4 ? A. all real numbers B. all real numbers greater than or equal to 4 C. all real numbers greater than 0 D. all real numbers greater than or equal to 0 _____________________________________________________ What is the vertex of the graph of g(x) = |x - 9| + 3? A. (-9, 3) B. (-3, -9) C. (9, -3) D. (9, 3) ____________________ The graph of f(x) is obtained by tran
Here is the rest: The graph of f(x) is obtained by translating the graph of g(x) = |x|5 units to the right. Which is the equation of the graph of f(x)? A. f(x) = |x| + 5 B. f(x) = |x - 5| C. f(x) = |x + 5| D. f(x) = |x| - 5 ________________________________________________________ Use the function to answer the question {-2 if x < -3 f(x) ={4x if -3 ≤ x ≤ -1 {x^2 if x > -1 What is the value of f(3)? A. -3 B. -2 C. 9 D. 12
The function's name is 3 - x. So you want f(-4), which is the value of the function when x = -4. Can you find the value of the function when the functions name is 3 - x?
I don't know I really need help because I'm not understand how to do any of those questions.
For your second question, the square root of a number can be found only if the number is greater than or equal to zero. So take the exppression x + 4 and set it greater than or equal to zero, and that will be your domain.
I don't know how to do any of them. I need help with the answers. I'm kind of in a rush to do these because I have a lot more things to get done. If you know the answers can you please just tell me?
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