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AleksandrR [38]
3 years ago
10

Y= f(x)= (3/8)^x Find f(x) when x=2 show your work

Mathematics
1 answer:
madam [21]3 years ago
6 0

Answer:

\frac{9}{64}

Step-by-step explanation:

Given

f(x) = (\frac{3}{8}) ^{x} then

f(2) = (\frac{3}{8} )² = \frac{3^2}{8^2} = \frac{9}{64}

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Which is the graph of the function f(x) = x3 – x2 – 17x - 15?
LenKa [72]

Answer with Step-by-step explanation:

We are given that a function

f(x)=x^3-x^2-17x-15

We have to find the graph of the given function.

y-intercept:It is that  value of y where the graph cut the y- axis.

Let

y=f(x)=x^3-x^2-17x-15

Substitute x=0

Then, we get

f(0)=-15

y-intercept of the graph=-15

x- intercept: It is that value of x where the graph cut the x- axis.

Substitute y=0

x^3-x^2-17x-15=0

Substitute x=-1

-1-1+17-15=0

Therefore,x=-1  is a solution of given equation.

(x+1)(x^2-2x-15)=0

(x+1)(x^2-5x+3x-15)=0

(x+1)(x(x-5)+3(x-5))=0

(x+1)(x+3)(x-5)=0

\implies x=-1,-3,5

Hence, the x-intercept are

-3,-1 and 5

7 0
3 years ago
Solve the equations involving exponents<br><br><br> 1. Solve 5^4x5^8=?<br><br> 2. 11^18/11^-4=?
den301095 [7]
When you multiple same numbers with different exponents, the exponents add. Example x^2 * x^3 = x^4
When you divide same number with different exponents, the number subtracts

1. 5^4 * 5^8 = 5^12
2. 11^18/ 11^-4 = 11^22
3 0
3 years ago
Please answer how much she'll have left
SSSSS [86.1K]
She will have 3/4ths cake left because she ate 4/5ths the night before and the next morning she ate 1/4th of the cake, it is 1/4 because that's what was left of the cake from 4/5ths of what she ate the night before. Hope this helps the answer is 3/4th.
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cluponka [151]
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3 years ago
Pls Say<br>hard question​
Mashutka [201]

Answer:

Range is 19.54

Step-by-step explanation:

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6 0
3 years ago
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