A car company tested a sports car on a road with different inclines. The test driver tested the car by driving a distance of x miles on a flat road, (x2 + 3) miles downhill, and (x − 7) miles uphill. Which simplified expression is equivalent to the total distance, in miles, for which the car was tested?

A)3x2 − 4
B)3x2 + 10
C) x2 + 2x − 4
D) x2 + 2x + 10

Question

A car company tested a sports car on a road with different inclines. The test driver tested the car by driving a distance of x miles on a flat road, (x2 + 3) miles downhill, and (x − 7) miles uphill. Which simplified expression is equivalent to the total distance, in miles, for which the car was tested?

A)3x2 − 4
 B)3x2 + 10
 C) x2 + 2x − 4
 D) x2 + 2x + 10

Mercury · Answer

it wants total distance, so add up the three distances

x + (x^2 + 3) + (x - 7) = ?

Jayden15 · Answer

Thnks a lil to late now but appreciated