3 years ago

If f(x)=2x2+3 then which of the following represents f(x+1)

Mathematics

1 answer:

defon3 years ago

4 0

Answer:2.2+3=x+1

4+3=x+1

7=x+1

X=6

Step-by-step explanation:

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3 years ago

A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return

ryzh [129]

The speed from home base to airport was:
$v=255miles/1.7h\ /:1.7\\v=150mph$
The speed from airport to home base was:
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Average speed of plane was:
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$x\ -\ wind\ speed\ (mph)\\150+x=170-x\ /+x\\150+2x=170\ /-150\\2x=20\ /:2\\x=10$
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4 years ago

Read 2 more answers

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MariettaO [177]

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