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Korolek [52]
2 years ago
13

If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?

Mathematics
1 answer:
tatiyna2 years ago
7 0
F(x) = 4 - x²    g(x) = 6x

(g - f)(x) = g(x) - f(x)

(g - f)(3) = g(3) - f(3)

g(x) = 6x

g(3) = 6*3 = 18

f(x) = 4 - x²

f(3) = 4 - 3² = 4 - 9 = -5

(g - f)(3) = g(3) - f(3) = 18 - (-5) = 18 + 5 = 23

 (g - f)(3) = 23
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Is b = 15 a solution to the equation 4b - 20 = 40?
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Answer:

yes

Step-by-step explanation:

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3 years ago
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7 0
3 years ago
Set B is defined as B={x|x is an integer}. Name two elements of B.
jenyasd209 [6]
By definition we have an integer number given by:
 An integer is an element of the numeric set that contains the natural numbers {N} = {1,2,3,4, ...}, its opposite and zero.
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7 0
3 years ago
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Salsk061 [2.6K]
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2.   (2.25 x 23) x 4
so (2.25 x 23) 51.75  and then 51.75 x4 = 207
4.  5 x 12 x (-2)
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5.   35(26)(0) =
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4 0
3 years ago
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