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navik [9.2K]
3 years ago
8

If $-2 < x \le 3,$ then find all possible values of $5x + 1.$ Give your answer in interval notation PLEASE ANSWER THUS PLEASE

Mathematics
2 answers:
Colt1911 [192]3 years ago
8 0

Answer:

(-9,16]

Step-by-step explanation:

It is given that

-2 < x \le 3

We need to find the possible values of 5x+1.

Multiply all sides by 5 in the above inequality.

-2\cdot 5 < x\cdot 5 \le 3\cdot 5

-10< 5x\le 15

Add 1 on each side.

-10+1< 5x+1\le 15+1

-9< 5x+1\le 16

It is clear that the possible values are lie between -9 and 16 (included).

5x+1\in (-9,16]

Close bracket represents that 16 is included in the solution set.

Therefore, the required interval is (-9,16].

exis [7]3 years ago
5 0

Answer:

(-9,16]

Step-by-step explanation:

we know that

The domain of x is equal to the interval--------> (-2,3]

-2< x \leq 3

All real numbers greater than -2 and less than or equal to 3

Let

y=5x+1

For x=3

y=5x+1\\y=5(3)+1=16

For x>-2

y >5(-2)+1\\y > -9

so

The range of the function is the interval--------> (-9,16]

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