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ozzi
3 years ago
6

If f(x) = x + 1 and g(x) = 2x – 7, which expression is equivalent to [f o g](3)?

Mathematics
1 answer:
hoa [83]3 years ago
4 0

Step-by-step explanation:

(f ∘ g)(x)

= f(g(x))

= f(2x - 7)

= (2x - 7) + 1

= 2x - 6

So

(f ∘ g)(5)

= 2(5) - 6

= 10 - 6

= <u>4</u>

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Which of the following ordered pairs is not a solution to the equation represented by the graph
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I don't know what the ordered pairs are here, but anyone that doesn't end with a three. Example, (1,3) is on the graph. so is (27, 3) y, will always be three:) 
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4 years ago
which expression is equivalent to the expression shown? 3 to the power of 7 X 3 to the power os negative 4
grandymaker [24]

Answer:

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Step-by-step explanation:

I worked it out using a calculator

5 0
3 years ago
Please help me. Due tonight.
wel

Answer:

The sum of the interior angles of any triangle are equal to 180

therefore in this triangle, m<a+m<c+m<b=180

we know that 9x-26 and m<a are supplementary angles (meaning they add to 180) and therefore,

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combine like terms

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x=19

if x=19 then we can substitue it in for c

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Step-by-step explanation:

5 0
3 years ago
the length and width of a rectangle are consecutive integers. If the area of the rectangle is 90cm^2 , what is the primeter of t
Genrish500 [490]

Answer:

Step-by-step explanation:

Let length and width of a rectangle be  x, x+1

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length * width = 90

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x²  + x  - 90 = 0

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x ( x  + 10 ) - 9 (x + 10 ) = 0

(x + 10 ) (x - 9) = 0

x + 10 = 0    or x - 9 = 0

x = -10   { impossible . as length cannot be negative} ;

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4 years ago
When y is positive, the value of y squared is ALWAYS greater than the value of y.
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