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Svetllana [295]
3 years ago
7

Express your answer as a polynomial in standard form.

Mathematics
2 answers:
NikAS [45]3 years ago
3 0

Answer:

x² + 16x + 64

Step-by-step explanation:

To find f(g(x)) , substitute x = g(x) into f(x), that is

f(x + 7)

= (x + 7)² + 2(x + 7) + 1 ← expand (x + 7)² using FOIL

= x² + 14x + 49 + 2x + 14 + 1 ← collect like terms

= x² + 16x + 64

Firdavs [7]3 years ago
3 0
It’s b because i love how they say it my love
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