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Natalka [10]
3 years ago
15

F(x) = x2 + 1 g(x) = 5 – x (f + g)(x) =

Mathematics
1 answer:
nordsb [41]3 years ago
5 0

Answer:

x^3 - x^2 - 6x

Step-by-step explanation:

First, add f +g

x^2 + 1 + 5 -x (combine like terms)

x^2 - x +6  

Next, multiply the new equation by x

x(x^2 - x + 6)    Use distributive property

= x^3 - x^2 + 6x

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3 years ago
A car is traveling at a speed of 20 meters per second. What is the cars speed in kilometers per hour
IRISSAK [1]

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72 km/h

Step-by-step explanation:

We need to convert units

so:

20 m    -----  1 km -------- 3600 s

1 s         -----  1000 m ----1 h

and solve ot

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