Answer:
All but the second one
Step-by-step explanation:
The rule of a function is that you can't have the same x values in an expression. You can have multiple y values but not multiple x values.
Answer:
you do it your self just saying you good at it believe in yourself
Answer:
-89
Step-by-step explanation:
-89
-89= 10(-7) - 19 -----------> -70 - 19
The correct answer of

if x=4 is 272.
to solve the equation if x equals 4, you must substitute the x of the 4.

then solve by order of operations.
solve what is inside the parentheses first

then do the multiplication of the factors

then the final step, adding, to get the solution of 272
Answer:

Step-by-step explanation:


