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MissTica
3 years ago
14

Given the function f(x)=4^x+3

Mathematics
1 answer:
vitfil [10]3 years ago
4 0

Answer:

f(x)=4^x+3

Step-by-step explanation:

ok annnnnd

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How many gallons each of 20​% alcohol and 10​% alcohol should be mixed to obtain 10gal of 11​% ​alcohol?
Scilla [17]

Answer:

20​% alcohol = 1 gal

10​% alcohol = 9 gal

Step-by-step explanation:

Let

x = 20​% alcohol

y = 10​% alcohol

x + y = 10 (1)

0.20x + 0.10y = 10*0.11

0.20x + 0.10y = 1.1 (2)

From (1)

x = 10 - y

Substitute x = 10 - y into (2)

0.20x + 0.10y = 1.1

0.20(10 - y) + 0.10y = 1.1

2 - 0.20y + 0.10y = 1.1

- 0.20y + 0.10y = 1.1 - 2

-0.10y = -0.9

y = -0.9/-0.10

y = 9 gal

substitute y = 9 into (1)

x + y = 10

x + 9 = 10

x = 10 - 9

x = 1 gal

20​% alcohol = 1 gal

10​% alcohol = 9 gal

6 0
3 years ago
Compute show all of your work: 8X4-4/2+1
Pepsi [2]
8*4-4/2+1    
32-4/2+1
32-2+1
=31 answer 
So, the answer to this question is 31

5 0
3 years ago
Find the domain and range of the function
Karolina [17]
Domain- {-2, 1, 0, 1, 2}
Range- {-2, 0, 2}

My domain is right but I don’t think my range is. I did learn this 4 years ago though so
5 0
3 years ago
Multiply the expression (3y-8)(-c+y)
GarryVolchara [31]

Answer:

-3yc+3y2+8c-8y

Step-by-step explanation:

(3y-8)(-c+y)

3y(-c+y)-8(-c+y)

-3yc+3y2+8c-8y

8 0
3 years ago
In the sophomore class at Dixon high school the number of students taking French is 2/3 of the number taking Spanish. How many s
Elan Coil [88]
I think it's 104. something
4 0
3 years ago
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