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WARRIOR [948]
3 years ago
9

Given the function f(x)=4x-9, evaluate and simplify the following f(-6) and f(4)

Mathematics
1 answer:
saveliy_v [14]3 years ago
4 0

Answer:

<h2>f(-6) = -33, f(4) = 7</h2>

Step-by-step explanation:

f(x)=4x-9

f(-6), f(4)

Put x = -6 and x = 4 to the equation of the function:

f(-6)=4(-6)-9=-24-9=-33\\\\f(4)=4(4)-9=16-9=7

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Answer:

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Step-by-step explanation:

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3 years ago
y is inversely proptional to x when y = 7, x = 9 a) work out an equation connecting y and x b) work out the value of y when x =
OLga [1]

Answer:

a) yx=63

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Step-by-step explanation:

a)

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b)

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3 years ago
Which of the following are solutions to the equation below? Check all that apply. 4x2 + 4x + 1 = 9​
Vilka [71]

Answer:

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It can be written as

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taking (x+2) as common on LHS

Then, (x+2)(x-1)=0

Now first equate x+2=0  ie x=-2

then                 x-1=0 ie x=1

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3 years ago
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shtirl [24]
Well not sure what you are asking, but If it is what I think it is, it would go like this: 
          2 
(9^2)

Then the answer should be 

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If you mean this...

3^2....It would be same as 3 x 3 which we should know is equal to nine. 

Hope I helped! (Be sure to thank me!)
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Step-by-step explanation:

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