Yes, that relation is a function. It has no repeating x values
Mult. $7.25 by 4 times 4 (4 PIZZAS per week, for 4 weeks):
$7.25(4)(4) = $116
Fine dining: 2($85) = $170
So, the fine dining costs more!
Answer:

Step-by-step explanation:
The standard form of an equation of a line:

We have the equation in the point-slope form. Convert:
