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hammer [34]
3 years ago
6

NEED HELP ASAP!! THIS IS DUE UNDER 10 MIN! GIVING BRAINLEST (My Brainlest is giving 100 extra points)

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

Answer:

a

Step-by-step explanation:

laila [671]3 years ago
6 0

Answer:A

Step-by-step explanation:

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Write an exponential function for graph that passes through the following points (-3,80);(-1,20)
padilas [110]

Answer:

y

=

4

(

1

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Explanation:

An exponential function is in the general form

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We know the points

(

−

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and

(

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8

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b

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=

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b

2

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b

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=

a

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Multiply both sides of the first equation by

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8

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a

Plug this into the second equation and solve for

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:

2

=

(

8

b

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b

2

=

8

b

2

b

2

=

1

4

b

=

±

1

2

Two equations seem to be possible here. Plug both values of

b

into the either equation to find

a

. I'll use the second equation for simpler algebra.

If

b

=

1

2

:

2

=

a

(

1

2

)

a

=

4

Giving us the equation:

y

=

4

(

1

2

)

x

If

b

=

−

1

2

:

2

=

a

(

−

1

2

)

a

=

−

4

Giving us the equation:

y

=

−

4

(

−

1

2

)

x

However! In an exponential function,

b

>

0

, otherwise many issues arise when trying to graph the function.

The only valid function is

y

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2

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x

7 0
3 years ago
The function f(x) = 2x2 + 6x - 12 has a domain consisting of the integers from -2 to 1, inclusive. Which set represents the corr
Dimas [21]

Answer:

[-16,-4]

Step-by-step explanation:

We are given that

f(x)=2x^2+6x-12

Domain=[-2,1]

We have to find the set of range values of f(x).

Substitute x=-2

f(-2)=2(-2)^2+6(-2)-12

f(-2)=-16

Substitute x=1

f(1)=2(1)+6(1)-12=-4

Range of f(x)=[-16,-4]

Hence, the set of range values of f(x)

[-16,-4]

7 0
3 years ago
Given m||n, find the value of x.<br> Please help with this one too this is hard
4vir4ik [10]

Answer:

111°

Step-by-step explanation:

The two angles are alternate exterior angles, and those types of angles are always congruent if there are parallel lines.

5 0
3 years ago
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mars1129 [50]
Divide then multiply then do left to right
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Tomtit [17]

Answer:4

Step-by-step explanation:

6 0
3 years ago
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