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Citrus2011 [14]
4 years ago
7

Algebra 2 - function help!! please help asap!

Mathematics
1 answer:
wel4 years ago
3 0

For functions, even means f(-x)=f(x) and odd means f(-x)=-f(x)

\sqrt{x^2} - 9

The only occurrence of x is squared so this is even.

|x-3|

This isn't even or odd, it's neither.  f(1)=|1-3|=2.  f(-1)=|-1-3|=4 for example.

f(x) = \dfrac{x}{x^2-1}

This one is odd because

f(-x) = \dfrac{-x}{(-x)^2-1} = -\dfrac{x}{x^2-1} = -f(x)

g(x)=x+x^2

g(1)=1+1=2

g(-1)=-1+1=0

neither odd nor even


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Tresset [83]

Answer:

A and E

When doing problems like these it is easier just to see what numbers are divisbale by the ration.

Example:

A: 21/30

21 is divisable by 7 and 30 is divisbale by 10

E: 35/50

35 is divisable by 7 and 50 is divisbale by 10

8 0
3 years ago
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k0ka [10]
We have to calculate how much money has to be invested at 2.3% interest compounded continuously to achieve $41,000 after 17 years. The formula is: A = P * ( 1 + r )^t, where A = $41,000, r = 0.023 and t = 17. 41,000 = P * ( 1 + 0.023 ) ^17; 41,000 = P * ( 1.023 )^17; 41,000 = P * 1.4719; P = 41,000 : 1.4719; P = 27,855.15. Answer: It has to be invested <span>$27,855. </span>
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Which is true?<br> will mark you as brainliest:))
andrew11 [14]

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To find mean, average the numbers in the data set by adding them together and dividing by the number of values.

(96 + 77 + 82 + 91 + 89) / 5 = 87.

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3 years ago
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cricket20 [7]

Recall that the the vertical shifting of functions is associated with the numerical value that is added to the original one. A possitive value k will shift the function k units up, and a negativa value (or subtracting k) will move it vertically down k units.

If I understand correctly, you forgot to type an "x"in the original function f(x), which should read:

f(x) = 0.5 x

Correct?

The new graph is g(x) = 0.5 x - k which is obtained by shifting the original f(x) DOWN by 3 units.

In order to shift the graph of f(x) DOWN three units, we need to SUBTRACT 3 from f(x), leading to : 0.5 x - 3

Therefore, the value of "k"in the given g(x) = 0.5 x - k must be 3.

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5 0
1 year ago
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wel

Answer:

4

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BCD is a right triangle. The Pythagorean Theorem applies; a^2 + b^2 = c^2, with c being the hypotenuse. a^2 + 9 = 25, so a^2 = 16, so a = 4

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