Answer:
I would tell this friend to think of f(5) as them telling you what x is.
Step-by-step explanation:
So basically you would be imputing 5 everywhere x is to solve the equation.
Step-by-step explanation:
....................
Answer:
h(2) =
-5(2)+7 = 1
h(-5) =
-5(-5)+7 = 7
Step-by-step explanation:
Answer:

Step-by-step explanation:

When there is a ( - ) in front of an expression in Parentheses, change the sign of each term
⇒
Calculate
⇒
Hope I helped!
Best regards!!