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notka56 [123]
3 years ago
6

If f(x) = x + 4 and g(x) = x^2-1, what is (gºf)(x)?

Mathematics
2 answers:
aliina [53]3 years ago
8 0

Answer:

x^2+8x+15

Step-by-step explanation:

f(x)=x+4 \\\\g(x)=x^2-1 \\\\(g\circ f)(x)=(x+4)^2-1=\\\\x^2+8x+16-1=\\\\x^2+8x+15

Hope this helps!

Temka [501]3 years ago
8 0

Answer:

x² + 8x + 15

Step-by-step explanation:

(gºf)(x) = g((f(x)) = (x+4)² - 1 = x² + 8x + 16 - 1 = x² + 8x + 15

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An Ontario lottery has the following structure, the first person drawn from the names wins $15 000. Each subsequent person drawn
elixir [45]
  • The first four terms are : 15000, 14850, 14700, 14550
  • a = 15000 ; d = -150
  • The explicit formula is : a_{n} =  - 150n \:  + 15150

The first term of the sequence, a = 15,000

Each subsequent winner gets $150 less

Hence, the common difference, d = - $150

The first four terms :

First term, a1 = $15000

Second term, a2 = a - d = $15000 - $150 = $14850

Third term, a3 = a2 - d = $14850 - $150 = $14700

Fourth term, a4 = a3 - d = $14700 - $150 = $14550

a, for the sequence is the first term = $15000

d, for the sequence is the common $150 (difference between successive wins).

Explicit formula for the general term :

a_{n} \:  = nd \: + c

For n = 1

15000 = 1( - 150)  + c

15000 =  - 150 + c

c = 15150

Hence, the explicit formula for the nth term is :

a_{n} \:  =  - 150n \:  + 15150

Learn more : brainly.com/question/12006170

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3 years ago
Help me please!!
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Answer:

3.A

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