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zavuch27 [327]
3 years ago
13

Please solve -4(x+10) is greater than or equal to -7x + 65

Mathematics
1 answer:
Novay_Z [31]3 years ago
7 0

Answer:

x>=35

Step-by-step explanation:

-4(x+10)>= -7x + 65

-4x-40>= -7x+65

-4x+7x>=65+40

3x>=105

x>=105/3

x>=35

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ira [324]

Given : A marine biologist is studying the growth of a particular species of fish

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To Find : reasonable domain to plot the growth function

What does the y-intercept of the graph of the function f(m) represent?

average rate of change of the function f(m) from m = 1 to m = 9,

Solution:

m = 0

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the length of the fish was approximately 9.19 cm.

=>

=>

=> m = 9

Domain = [0 , 9 ]

reasonable domain to plot the growth function = [0 , 9 ]

y-intercept of the graph of the function f(m) represent represent initial length of fish = 5 cm

average rate of change of the function f(m) from m = 1 to m = 9

m = 1 => f(1) = 5(1.07) = 5.35 cm

m = 9 => f(9) = 5(1.07)⁹ = 9.19 cm

Change in 9 - 1 = 8 months = 9.19 - 5.35 = 3.84 cm

average rate of change of the function f(m) from m = 1 to m = 9,

= (3.84/8)

= 0.48 cm per month

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