Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Molodets [167]3 years ago

8 0

It’s the last one, n<1.3 hope this helps.

kap26 [50]3 years ago

7 0

Answer:

Step-by-step explanation:

imagen the inequality sign is a normal equal sign so you would just do it as a normal problem solving for the variable.

so first get n by its self so you start by gettting rid of 8.7, so to cancle it out you minus it by its self and what you do to one side you do to the other.

now you have -2.5n > -3.25

divide it by its self by both sides and you get 1.3

and because you divided by a negative your sign switches to the other side. It’s called the negative division rule

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<h3>Answer: 3</h3>

=========================================================

Explanation:

This is the given piecewise function

$h(a) = \begin{cases}3a+2 \text{ when } a > 3\\4a+5 \text{ when } a = 3\\3 \text{ when } a < 3\\\end{cases}$

We can rewrite things like this

$\text{when } a > 3, \ \ h(a) = 3a+2\\\text{when } a = 3, \ \ h(a) = 4a+5\\\text{when }a < 3, \ \ h(a) = 3\\$

I personally prefer this format better because it mentions the inputs first, and that leads to which function definition we go for.

The input a = 2 fits the description of $a < 3$ since $2 < 3$ is a true statement. Therefore we go for the third line and can see that $h(a) = 3$ becomes $h(2) = 3$