From 2 hours to 4 hours she traveled 7 miles.
7 miles / 2 hours = 3.5 miles per hour.
The slope is 3.5 , which is 3.5 miles per hour, which is how fast she is walking.
1/10 is 0.10 and 3/10 is 0.30
-3.10 + 6.30 = 3.2
The answer is 3.2
-4 1. -8. 24. 12. 40
-4. 48. -288. 1104
1 -12. 72. -276. R1144
ANSWER:
X^3-12x^2+72x-276+1144/x+4
That's the point-slope form of the equation of a line.
