If I remember correctly this is how you solve it.
f(x)=8x+6
f(-1)=8(-1)+6
f(-1)=-8+6
f(-1)= -2
Answer:
The total money raised was 
Step-by-step explanation:
Let
x -----> the number of adult tickets
y -----> the number of children's tickets
we know that
The algebraic expression that represent the total amount of money raised from the sale of tickets is

For x=234, y=388
substitute in the algebraic expression

The second answer is correct
Answer:
An offer is a sign of their willingness to agree on certain terms from one person to another. If there is an express or implied agreement, a contract will then be formed. A contract is said to come into being when the acceptance of an offer has been told to the offeror by the offeree.
Thanks dear__!!