3 years ago

Is the given function exponential function? 3x2 - 4x + 7 = 0 Yes or No? How do you know?

Mathematics

1 answer:

yawa3891 [41]3 years ago

7 0

Answer: no

Step-by-step explanation:

because you can do what is known as the vertical line test to determine if it is a function you do that by plotting it and if it goes in a vertical line then it is a function

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Subtract 6 from me. Then multiply by 2. If you subtract 40 and then divide by 4, you get 8. What number am I?

aliina [53]

Answer:

Step-by-step explanation:

Let the number be "x"

We translate the word equation to algebraic equation.

First,

subtract 6 from me, so we have:

x - 6

Now,

Multiply by 2, so we have:

2(x-6)

Now,

Subtract 40, then divide by 4:

$\frac{2(x-6)-40}{4}$

Now, you get "8", so equate this to 8, we get:

$\frac{2(x-6)-40}{4}=8$

We now solve using algebra:

$\frac{2(x-6)-40}{4}=8\\2(x-6)-40=4*8\\2(x-6)-40=32\\2x-12-40=32\\2x-52=32\\2x=32+52\\2x=84\\x=42$

The number is 42

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3 years ago

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emmasim [6.3K]

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What is the answer to 2/3j-1/6=1/2?

Elodia [21]

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3 years ago

Andy runs the same number of miles, x, every day. His total distance run for one week is less than 60 miles. Which inequality re

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Step-by-step explanation:

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