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Serhud [2]
3 years ago
6

If f(x) = - 4x and g(x)= 5x?, find a. (f+g)(x) b.(-9)(x) C. (fog)(x)

Mathematics
1 answer:
o-na [289]3 years ago
8 0

a) (f+g)(x) = f(x) + g(x) = -4x + 5x = x

b) -9(x) = -9x? I have no idea what this means.

c) (f o g)(x) = (f(g(x)) = f(5x) = -4 (5x) = -20x

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What is the mean of -9,-5,-4,-4,-2,0,1,2,3,5
IrinaK [193]

Answer: - 1.3

Step-by-step explanation: I believe that it's -1.3 if you're referring to the arithmetic mean.

(1) Take the sum of -9, -5, -4, -4, -2, 0, 1, 2, 3, 5 and simplify it to -13

(2) Count the number of terms in the data set.

{-9, -5, -4, -4, -2, 0, 1, 2, 3, 5}

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10} - The number of terms in the data set is <u>10.</u>  

(3) Divide the sum by the number of terms and simplify.

-13 / 10 = -1.3 (simplified)

8 0
3 years ago
Solve the inequality: -1+4y &lt; 31
ser-zykov [4K]
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3 years ago
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The answer is <EKF and <HKI
3 0
3 years ago
What is 2.5/10 (fraction) simplified?
sladkih [1.3K]

Answer:

-1

—— = -0.25000

 4            

Step-by-step explanation:

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3 years ago
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301.6=3.14×4×h/3
301.6=12.56×h/3
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72 6/157=h. Hope it help!
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3 years ago
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