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OleMash [197]
3 years ago
14

If f(x) = 2x – 3 and g(x) = 4x + 5, what is (f • g)(x)?

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
6 0

Answer:

Place the f(x) expression 2x-3 into the x in the g(x) expression 4x+5, so it will be 4(2x-3)+5; you can expand it out if you want

Alchen [17]3 years ago
3 0

Answer:

if you mean f(x)×g(x)

the answer will be like that

(2x-3)×(4x+5)=8x²+10x-12x-15=8x²-2x-15

and if you mean f(g(x)) the answer will be like that

f(4x+5)=2×(4x+5)-3=8x+7

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