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IgorLugansk [536]
3 years ago
14

Which is the range of the function f(x) = 1/7 (9)x

Mathematics
2 answers:
elena-s [515]3 years ago
7 0

Answer:

Interval notation for range is (0, ∞)

Step-by-step explanation:

f(x)= 1/7 (9)^x

f(x)= \frac{1}{7} (9)^x

Range is the set of y values for which the function is defined

For all positive and negative values for x the value of y is always positive

so the range y value is greater than 0

Range of the function is y values greater than 0

y>0

Interval notation for range is (0, ∞)

adelina 88 [10]3 years ago
4 0
Range of f(x) = 1/7(9)x =
All real numbers greater than 0. 

♥
Hope I helped ♥
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Rzqust [24]

Answer:

  yes

Step-by-step explanation:

There are several ways to go at this.

My first choice is to use a graphing calculator. It shows the function has a zero at x=5, so x-5 is a factor.

Another good choice is to use synthetic division (2nd attachment). If the remainder is zero, then x-5 is a factor. It is and it is.

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You can also evaluate the function at x=5. The remainder theorem tells you that if the value is zero, then x-5 is a factor. Evaluating the polynomial written in Horner form is a lot like synthetic division.

  (((x -4)x -15)x +58)x -40 for x=5 is ... (-10·5 +58)5 -40 = 40-40 = 0

The value of h(5) is zero, so x-5 is a factor of h(x).

5 0
3 years ago
You haft too use elimination to solve this thank you
lakkis [162]

Answer:

x=0, y=-2

Step-by-step explanation:

Because 9y appears twice in both equations, you can subtract the equations to eliminate the y variable so you can solve for x:

-7x + 9y = -18

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-11x = 0

x = 0

Since we know x=0, then we plug it back into one of the equations to get the value of y:

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0 + 9y = -18

9y = -18

y = -2

Therefore, x=0, and y=-2

5 0
3 years ago
Find the volume of the rectangular prism. Write your answer as a fraction.
suter [353]

Answer:

V = 8/125 cubic units

Step-by-step explanation:

This prism is actually a cube of side length 2/5.

The volume of a cube of side length s is V = s^3.

Here, the volume of the cube (rectangular prism) is V = (2/5)^3, or

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8 0
2 years ago
A man is paid a basic hourly rate of $7.00 and is paid
guapka [62]

Answer:

$385

Step-by-step explanation:

This would be 50x7=350

And 60 is 10 over 50, we half his salary($3.50), and multiply $3.50 by that extra 10. coming to $35. Add 35 to 350 to get his $385 60 day salary

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2 years ago
Factorize 2x^2-5/3xy-2y^2
vladimir1956 [14]

I hope it helps you

3 0
2 years ago
Read 2 more answers
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