taylorhope04 taylorhope04

23-09-2020
Mathematics

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If f(x) = x 2 + 1, find f(a + 1).

If fx x 2 1 find fa 1 class=

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unicorn3125 unicorn3125

24-09-2020

Answer:

f(a+1) = a² + 2a + 2

Step-by-step explanation:

f(x) = x² + 1

f(a+1) means x = a+1

f(a+1) = (a+1)² + 1 = (a+1)(a+1) + 1 = a² + a + a + 1 + 1 = a² + 2a + 2

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