Answer:
f(10) = 12
Step-by-step explanation:
f(x) = x + 2
Substitute x for 10.
f(10) = 10 + 2
f(10) = 12
You’re correct answer is the first
Answer:
34
Step-by-step explanation:
13-(-21) = 13 + 21 = 34
Answer:

Step-by-step explanation:
Use the method of swapping x and y and isolating y.

Note that domain/range will be swapped as well.