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snow_lady [41]
3 years ago
12

Which of the following functions is linear

Mathematics
1 answer:
spin [16.1K]3 years ago
4 0
A is linear because nothing is being added or subtracted from the original number which is 3 to the power of x. All of the other answers are either adding or subtracted an addition number that do not cancel out.
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EASY POINTS!! HELP AND ILL MARK YOU BRAINLIEST!!!!
natali 33 [55]

Answer: (6, -30)

Step-by-step explanation:

Substitute the points into the equation:

3.5 = -1/2(1^3) - 3(1) + 7 = 3.5: (1, 3.5) is on the graph.

-60.5 = -1/2 (9^2) -3(9) + 7 = -60.5: (9, -60.5) is on the graph.

-1 = -1/2 (-8^2) -3(-8) + 7 = -1. (-8, -1) is on  the graph.

-30 = -1/2(6^2) -3(6) + 7 = -29 (6, -30) is not on the graoh.

3 0
3 years ago
What are the solutions of the quadratic equation (x+3)2=49?
Vesnalui [34]
\bf (x+3)^2=49\implies x+3=\pm\sqrt{49}\implies x+3=\pm 7
\\\\\\
x=\pm 7 -3\implies x=
\begin{cases}
4\\
-10
\end{cases}
8 0
3 years ago
Read 2 more answers
What does it mean when a equation has no solution?
velikii [3]
Hello!

No solutions means that there is two sides that do not equal or math, therefore, your answer would be c. both sides of the equation are not equal to one another.
Enjoy.

Brainliest please?
4 0
3 years ago
Read 2 more answers
Plz help me answer this question
Novosadov [1.4K]

Answer: 4/5 - 2

Step-by-step explanation:

Simply put it into a graphing calculator

3 0
3 years ago
At Hong's auto shop, it takes him 12 minutes to do an oil change and 18 minutes to do a tire change. Let x be the number of oil
-Dominant- [34]

Answer: 12x+18y ≤ 60

Step-by-step explanation:

Hi, to answer this question we have to write an inequality with the information given:

The product of the time that takes to do an oil change (12) and the number of oil changes(x); plus The product of the time that takes to do a tire change (18) and the number of tire changes; must be less or equal to  60 minutes (time available).

12x+18y ≤ 60

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
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