ALGEBRA ll Help. 1. Which set represents the inequality x ≥ -1 in interval notation

a. (-∞, -1]
b. (-1,∞)
c. [-1,∞)
d. (-∞, -1)


2. Which is the solution set of x/2 + 3 ≤ 1?
a. (-∞, -4]
b. (-4, ∞)
c. [-4, ∞)
d. (-∞, -4)


3. Which is the solution set of -4 ≤ 3 - y over the whole numbers?
a. {0, 1, 2, 3, 4, 5, 6}
b. {6, 7, 8, 9, 10, …}
c. {7, 8, 9, 10, …}
d. {0, 1, 2, 3, 4, 5, 6, 7}


4. Which is the solution set of -4 ≥ m/-1 over the integers?
a. {0, 1, 2, 3, 4}
b. {4, 5, 6, 7, …}
c. {…1, 2, 3, 4}
d. {1, 2, 3, 4}

1. c
2. a
3. d
4. b
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-]4|\/|3$

[EDIT]
@Manasa Sharma: I did not mean to insult you. Your answers are wrong.

1)c
2)a
3)c
4)c