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akemble8862
26.01.2022 •
Mathematics
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Ответ:
d (f • g)(2) = 27, the distance in miles the bicycle traveled
step-by-step explanation:
given:
rate of a bicycle, f(x) = 2x2 + 1
time the bicyclist traveled, g(x) = x + 1
finding (f • g)(2)
= (2x2 + 1)(x + 1)
= 2x^3+2x^2+x+1
putting value of 2 in above expression:
=2(2)^3 + 2(2)^2 +2 +1
=2(8) +2(4) + 3
= 16+8+3
=27
also we know, distance= speed x time
hence d (f • g)(2) = 27, the distance in miles the bicycle traveled is correct answer!