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velikii [3]
4 years ago
7

Determine whether each table represents a linear, quadratic, exponential function.

Mathematics
1 answer:
Nesterboy [21]4 years ago
6 0

Answer:

A: Exponential

B: Quadratic

C: Linear

Step-by-step explanation:

Let analyse each table

  • Table A

X            Y              ΔY/ΔX

1             5               xxxxxx              

2            11            11 - 5 = 6            

3           29             29 - 11 = 18          

4           83             83 - 29 = 54

.....................

We can see that, [ ΔY/ΔX ]   increases at the fastest rate out of all functions, so it must be exponential function

  • Table B

X            Y                 ΔY/ΔX            Δ^2Y/ΔX^2          

0             5                 xxxxxx              xxx              

1              7                 7 - 5 = 2            xxx            

2             13               13 - 7 = 6           6-2 = 4        

3             23              23 - 13 = 10       10-6 = 4

..............................

It is a quadratic because Δ^2Y/ΔX^2 = 4 and are constant for all values

  • Table C

X            Y                 ΔY/ΔX                      

3             20               xxxxxx                  

6             18                 2 / 3

9             16                 2 / 3                    

15            12                 2 / 3      

..............

It is a linear because ΔY/ΔX = 2/3 are constant for all values

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Step-by-step explanation:

4 0
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Answer:

5

Step-by-step explanation:

Using fractions:

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\frac{10}{2} = 5


Using decimals:

2\frac{1}{2} = 2.5

2.5 + 2.5 = 5

7 0
3 years ago
Determine the standard form of the equation of the line that passes through (-8, -6) and (-4, 9)
Darya [45]

Answer:

15/4 x-y=-24

Step-by-step explanation:

the standard form is ax+by=c

two points (x1,x2) , (y2,y1)

x1=-8       x2=-6

y1=-4        y2=9

find slope m: y2-y1/x2-x1

m=9-(-6)/-4-(-8)

m=15/4

find b: take any point(-8,-6)

y=mx+b

-6=15/4 (-8)+b

-6=-30+b

b=-6+30

b=24

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standard form: y-15/4x=24

OR : 15/4 x-y=-24

8 0
3 years ago
Which of the following is not an identity?
Shkiper50 [21]
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cos² x - 1 / sin x = - sin x 
- sin² x / sin x = - sin x
- sin x = - sin x     ( correct )
B ) sin x ( cos x / sin x + sin x / cos x ) = 1 / cos x
sin x · ( cos² x + sin²x ) / sin x cos x = 1 / cos x
sin x · 1 / sin x cos x = 1 / cos x
1 / cos x = 1 / cos x  ( correct )
C ) cos² x - sin² x = 1 - 2 sin² x
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D ) 1/sin²x + 1/ cos²x = 1
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1 / cos² x sin² x = 1
cos²x sin² x ≠ 1
Answer: D ) is not an identity. 
8 0
3 years ago
Pls which is biggest next biggest then smallest out of these fractions 1 half 5 eighths and 1 eighths
Liula [17]
Hey there :)

Lets us first change the words into mathematics

1 half → \frac{1}{2} = 0.5
5 eighths = \frac{5}{8} = 0.625
1 eighths = \frac{1}{8} = 0.125

0.125 < 0.5 < 0.625
1 eighths < 1 half < 5 eighths

The biggest is 5 eighths
Second biggest is 1 half
The smallest is 1 eighths


3 0
3 years ago
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