How do you solve and graph the compound inequality #3x>=5# or #-5/8x-6>1# ?

Answer 1

It is the union of the two solution sets.

#3x>=5 or −58x−6>1# #x>=5/3 or 58x<-7# #x>=5/3 or x<-7/58# You will have two semi-plane. The "or" operator means that you have to take the union of the two solution set.

graph{x>=5/3 [-10, 10, -5, 5]}

graph{x<-7/58 [-10, 10, -5, 5]}

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Answer 2

Solve and graph system
(1) 3x >= 5
(2) -5x/8 - 6 > 1

(1) -> #3x >= 5 --> x >= 5/3#
(2) -> #5x/8 < -7 -> 5x < -56 -> x < -56/5# Graph:

=========|-56/5 -----------------|0-----|5/3=============

NOTE. The end (critical) point (5/3) is included in the solution set.

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Answer 3

To solve and graph the compound inequality 3x ≥ 5 or -5/8x - 6 > 1:

  1. Solve each inequality separately. For 3x ≥ 5: 3x ≥ 5 x ≥ 5/3

    For -5/8x - 6 > 1: -5/8x - 6 > 1 -5/8x > 1 + 6 -5/8x > 7 Multiply both sides by -8/5 (since multiplying or dividing by a negative number reverses the inequality) x < -56/8 x < -7

  2. Combine the solutions using the 'or' statement, which means the solution set includes all values that satisfy either inequality.

    Solution: x ≥ 5/3 or x < -7

  3. Graph the solution set on the number line.

    • Start by marking the critical points, which are 5/3 and -7.
    • For the inequality x ≥ 5/3, draw a solid dot at 5/3 and shade to the right since it's "greater than or equal to."
    • For the inequality x < -7, draw an open dot at -7 and shade to the left since it's "less than."

    Graph of the compound inequality

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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