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madreJ [45]
2 years ago
11

5. For which linear function below does f(-1) = 9 and f(3) = 1?

Mathematics
1 answer:
Tju [1.3M]2 years ago
3 0
The answer is Y = -2X + 7
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What is a quadratic function?
ycow [4]
C - F(x)= 5x^2-4x+5

Quadratic function equations have an x raised to the second power and makes a parabola when graphed. B could potentially also be right depending on who you ask because x is being raised to the second power but since the equation says 0x it means there is no x to be raised to the second power so i would say C.
3 0
3 years ago
I do not understand what is 187=17r
Likurg_2 [28]

Answer:

11

Step-by-step explanation:

187=17r

Divide 17 on both sides so that "r" is by itself and can be solved

187/17=r

11=r

Hope this helps!

7 0
3 years ago
Read 2 more answers
Help me solve for q!<br><br> 21 + 3q &lt; 3 (13 - q)<br><br> How do you solve it? Thank you!
Molodets [167]
Good morning

21 + 3q < 3(13 - q)
21+ 3q < 39 - 3q Here it was -3q and it was on the left side. However when you are switching it to another terms that looks like it you must change the sign as well.
3q + 3q < 39 - 21 Here I bring the common terms together.
6q < 18
Divide both sides by 6
6q/6 < 18/6
q < 3
 
8 0
3 years ago
Lea sold 2 cherry pies and 4 pumpkin pies for a total of $116. Kali sold 7 cherry pies and 8 pumpkins pies for a total of $286.
Nitella [24]

Answer: the cost of one cherry pie is $18 and the cost of one pumpkin pie is $20

Step-by-step explanation:

Let x represent the cost of one cherry pie.

Let y represent the cost of one pumpkin pie.

Lea sold 2 cherry pies and 4 pumpkin pies for a total of $116. This means that

2x + 4y = 116 - - - - - - - - - - - - - -1

Kali sold 7 cherry pies and 8 pumpkins pies for a total of $286. This means that

7x + 8y = 286 - - - - - - - - - - - - 2

Multiplying equation 1 by 7 and equation 2 by 2, it becomes

14x + 28y = 812

14x + 16y = 572

Subtracting, it becomes

12y = 240

y = 240/12 = 20

Substituting y = 20 into equation 1, it becomes

2x + 4 × 20 = 116

2x + 80 = 116

2x = 116 - 80 = 36

x = 36/2 = 18

7 0
3 years ago
3% of a university's freshman class are majoring in Computer Science. If 231 students in the freshman class are Computer Science
White raven [17]
Your answer is 77!

All you really need to do is 231/3 since you need to find out how many students are in the freshman class.
3 0
2 years ago
Read 2 more answers
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