school is almost done and my teacher said she would raise my grade if i get all the problems correct . please help me! i would really appreciate it.
1. which point is NOT part of the solution of the inequality y<|3x|+1
2.which point is part of the solution of the inequality y?|x+2|-3
3. graph the equation y<2|x-1|-2 which point is part of the solution
4.graph the inequality y?-|x-4| which point is NOT part of the solution
5.graph the inequality y?2|x-1|-2
6.identify the function in which y varies directly with x
7. which ordered pair is the vertex of y=-2|x-7|+2
8. which ordered pair could you remove from the relation (-1,0),(1,3),(2,2),(2,3),(3,1) so that is becomes a function
a. (1,2) or (2,3)
b. (2,2) or (2,3)
c. (1,3) or (3,1)
d. (2,3) or (3,1)
9.at 7:00 a.m. the temperature outside was degrees Fahrenheit by 11.00 am, the temperature had risen to 72 degrees Fahrenheit. which equation models the temperature y at time x
10.a car enters an interstate highway 20 mi north of a city.the car travels north at an average speed of 58mph. which equation models the car's distance d from the city after traveling for h hours.
11.there are 52 blades of grass in 2 in^2 of lawn. there are 580 blades of grass in 8in^2 of the same lawn. which equation models the y blades of grass found in x in^2 of lawn
12.a young tree is planted in a garden. After 3 years it is 180 cm tall. After 7 years it is 368 cm tall. How tall will the tree be after ten years?
a. 587 cm
b. 470 cm
c. 548 cm
d. 509 cm
13.a 2- mi cab cost $4.25 a 7-mi cab cost $8.50. which equation models the cost y of a cab ride that is x miles.