Answer:
C
Step-by-step explanation:
Answer:
When the input is 4, the output of f(x) = x + 21 is 25.
Step-by-step explanation:
The given function is
Here, x is input and f(x) is output.
We need to find the output of the given function f(x) if the input is 4.
Substitute x=4 in the given function.
So, the output value is 25.
When the input is 4, the output of f(x) = x + 21 is 25.
Answer: x=4, x=-6
Step-by-step explanation:
set the equation equal to 0. solve for the x using the x method.
Answer:
the y intercept
Step-by-step explanation:
the other three are all the same