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givi [52]
4 years ago
15

Given f(x) = 9x - 5 and g(x) = x², choose the expression for (fºg)(x).

Mathematics
1 answer:
svetlana [45]4 years ago
5 0

Answer:

  9x² -5

Step-by-step explanation:

  (f○g)(x) means f(g(x))

Put the definition of g(x) in place of x in the definition of f(x):

  f(g(x)) = f(x²) = 9(x²) - 5

  (f○g)(x) = 9x² - 5

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Points: 0 of T
malfutka [58]

The number of videos will be 3 and the number of CDs will be 2.

<h3>What is an expression?</h3>

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that Christine went shopping and bought each of her five nephews a gift, either a video costing $14.95 or a CD costing $16.88. She spent $78.61 on the gifts.

The number of the videos and CD will be calculated by forming an equation:-

14.95x + 16.88y = 78.61

From heat and trial, we put x = 3 and y = 2 then calculate.

14.95 x ( 3 )  + 16.88 x ( 2 ) = 78.61

44.85 + 33.76 = 78.61

78.61 = 78.61

Therefore, the number of videos will be 3 and the number of CDs will be 2.

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3 0
2 years ago
What do I have to major in to become an astronomer and approximately how long would I have to stay in college?
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7 0
3 years ago
I do you get the answers????
telo118 [61]
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3 0
4 years ago
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7 0
3 years ago
(2a-3)(b-a)-3a(3a+b)
ozzi

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Step-by-step explanation:

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