Hello!
First, let's write some important information contained in the exercise:
• Cost per hour:, $x
,
• Fee:, $2
So, we can write the expression as:
f(x) = x +2
Now, let's solve your exercise:
Which expressions represent the cost, in dollars, for 4 people to go horseback riding for 3 hours each?
So, first, we will multiply the cost per hour by 3. Then, add the fee of $2.
To finish, we will multiply the equation by 4 (number of people).
Look:
Possible Answers:
4 * (3x +2) or also 12x +8