Determine Inequalities

14 < -2a + 6 - 2a

• a > -2

• a < -2

• a > 5

• a < -5

4(2a + 3) < 3(a - 1)

• a < -3

• a > -3

• a < 3

• a > 3

Netflix decides to release two different streaming plans: Plan A: $2 per movie viewed plus a flat rate of $10 per month Plan B: $4 per movie viewed plus a flat rate of $8 per month Write an inequality to determine when the cost of viewing n videos using Plan B is greater than the cost of viewing x videos using Plan A.

Tags

CCSS.7.EE.B.4B

x + 8 < 3 or - 8x < -40 

• x > -5 or x < 5

• x < -5 and x > 5

• x < -5 or x > 5 

• x > -5 and x < 5 

Give the solution set for: -13<2x+5<15

• -9>x>5

• -9

• -4

• -4>x>5

Use the graph to determine where is f(x) < 0?

• (-4, 2)

• [-4, 2]

• (-oo, -4) U (2, 4)

• (-oo, -4] U [2, 4]

Use the graph to determine where f(x) ≤ 0.

• (-oo, 2) U (2, 4)

• (-oo, 2] U [2, 4]

• (-oo, 4]

• Not given

Use the graph to find where is f(x) > 0?

• [-4, -1] U [2, +oo)

• (-4, -1) U (2, +oo)

• (-oo, -4] U [-1, 2]

• (-oo, -4) U (-1, 2)

Solve the inequality: (x+3)(x+1)(x-1)≥0