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Tems11 [23]
3 years ago
13

Let f(x) = x2 + 2x and g(x) = 2x. Evaluate the composition (f. g)(2).

Mathematics
2 answers:
trasher [3.6K]3 years ago
6 0
Not sure sure but OA = 24 hope this helps ...
Ipatiy [6.2K]3 years ago
5 0

Answer:

24, A

Step-by-step explanation:

f(g(2))

g(2) = 4

f(4) = 4^2 + 2(4)

f(4) = 24

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Step-by-step explanation:

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3 years ago
What is the solution of the equation? <br> 4(y+2)=32<br> A 4<br> B 6<br> C -10<br> D 10
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3 years ago
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The population of bacteria in a culture doubles every 14 hours. How long will it take for
Snezhnost [94]

Answer:  22 hours 11 minutes

<u>Step-by-step explanation:</u>

P=P_o\cdot e^{(kt)}\\\\\text{Since the initial population is doubled in 14 hours, then:}\\2P_o=P_o\cdot e^{k\cdot 14}\\2=e^{14k}\\ln\ 2=ln\ e^{14k}\\ln\ 2=14k\\\\\dfrac{ln\ 2}{14}=k\\\\0.0495=k\\\\\\\text{Now that the k-value has been determined, we can find the time when the}\\\text{population is tripled:}\\3P_o=P_o\cdot e^{0.0495t}\\3=e^{0.0495t}\\ln\ 3=ln\ e^{0.0495t}\\ln\ 3=0.0495t\\\\\dfrac{ln\ 3}{0.0495}=5\\\\22.19=t\\\\22\ hrs +0.19\ hrs

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4 0
3 years ago
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VARVARA [1.3K]

Answer:

42

Step-by-step explanation:

alternate exterior angles are equal. Therefore 32 = y - 10. Solving for y:

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y = 42.

8 0
3 years ago
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