Question

The equation y = 35.25x + 40 gives the labor cost y of repairing a car if takes x hours to repair the car.

According to the model, what is the best estimate of the labor cost if it takes 6 hours to repair a car?

$251.50
$211.50
$81.25
$41.25

Answer 1

the answer is 251.50

Answer 2

y = 32.25 x + 40
If it takes 6 hours to repair a car:
y = 32.25 * 6 + 40 = 193.5 + 40 = $233.50
The closest are $251.50 and $211.50.
$251.50 - $233.50 = $18
$233.50 - $211.50 = $22
$18 < $22
Answer:
The closest estimate is A ) $251.50