Apply the method of undetermined coefficients to find a particular solution to the following system. x' = 5x - 7y +11, y' = x - 3y - 3e- 2t

i leave the calculator work to you.

7. diameter 4 miles, circumference 4π miles

8. radius 0.2 miles, circumference 0.4π miles

[this is a bad problem because the actual radius of a car on the track is less than 0.2 miles so the answer is less than 0.4π miles]

9. radius 6 feet, circumference 12π feet

10. diameter 14 cm, circumference 14π cm

11. diameter 4.8 feet, circumference 4.8π feet

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

thus, the first answer choice, y = sec x, is the correct one