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mr_godi [17]
3 years ago
13

What s the domain of f(x)=3x-2

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
5 0
Domain of: 3x-2

Solution: -Inf < x < Inf

Interval Notation: (-Inf, Inf)

Inf = Infinity (Replace "Inf" with the infinity symbol)

"-" = Negative sign
12345 [234]3 years ago
5 0

Answer:

the answer is: {x|x>0}

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Elena receives ​$131 per year in simple interest from three investments totaling ​$3000. Part is invested at​ 3%, part at​ 4% an
ioda

Answer:

Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%.

Step-by-step explanation:

Given that Elena receives $ 131 per year in simple interest from three investments totaling $ 3000, and part is invested at 3%, part at 4% and part at 5%, and there is $ 1000 more invested at 5% than at 4%, to find the amount invested at each rate, the following calculations must be performed:

1500 x 0.05 + 500 x 0.04 + 1000 x 0.03 = 75 + 20 + 30 = 125

1600 x 0.05 + 600 x 0.04 + 800 x 0.03 = 80 + 24 + 24 = 128

1700 x 0.05 + 700 x 0.04 + 600 x 0.03 = 85 + 28 + 18 = 131

Therefore, Elena invested $ 1,700 at 5%, $ 700 at 4%, and $ 600 at 3%

7 0
3 years ago
How do you calculate rate of change?
sleet_krkn [62]
ANSWER:
Change in the Independent Variable / Change in the Dependent Variable

hope this helps!!
3 0
2 years ago
Read 2 more answers
5 Find the slope of the line that contains points (1,-3) and (-4,5).
ch4aika [34]

Answer:

gradient = m

    m=\frac{rise}{run}

m=\frac{1-(-4)}{-3-5}

m=\frac{5}{-8}

3 0
2 years ago
Set up a rational equation and then solve the following problems. A positive integer is twice another. The difference of the rec
kupik [55]

Answer:

9 and 18

Step-by-step explanation:

2x and x are the numbers

1/x-1/2x=1/18

2/2x-1/2x=1/18

1/2x=1/18

2x=18X=9,

2x=18

The two integers are 9 and 18

3 0
3 years ago
Which of the following is the radical expression of 2d^7/10
elena-s [515]

Answer:

\sqrt[10]{2d^{7} }

3 0
2 years ago
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