Question

Solve the inequality

1≥−y4
Question 18 options:

a)

y≥−4

b)

y

c)

y≤−4

d)

{y∣∣y≥−14}

Answer 1

Explanation:

1≥−y4

multiply by : -1 -1 ≤ 4y means : 4y ≥ -1

divid by 4 : y ≥ -1/4 answer : d