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eduard
3 years ago
13

If f(x)=2x²-x find f(-3)

Mathematics
2 answers:
zzz [600]3 years ago
4 0

Answer: 21

Step-by-step explanation: To find f(-3) or the value of the function when x = -3, we plug in a -3 for the x in our function and we have 2(-3)² - (-3).

Start by simplifying the exponent to get 9.

So we have 2(9) - (-3) or 18 + 3 which is 21.

ivolga24 [154]3 years ago
3 0

Answer:

21

Step-by-step explanation:

f(x) = 2x^2 - x

f(-3) = 2*(-3)^2 - (-3)

=2*9 +3

=18 +3

=21

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Answer:

The loan will cost you 2000 dollars more.

Step-by-step explanation:

If you pay 200 per month for 60 months, then you are paying 200(60) after the 60 months.

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So the loan will cost you 12000.

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The loan will cost you 2000 dollars more.

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3 years ago
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monitta
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3 years ago
Can you show me the work to 10x+2=32
butalik [34]
X would be 3,
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3 0
3 years ago
Read 2 more answers
In a fish tank, there are 3 orange fish, 5 blue fish and 6 yellow fish. In simplest form, what is the ratio of yellow
Lemur [1.5K]

Answer:

B. 2:1, for every two yellow fish there is one orange fish

Step-by-step explanation:

So you have 6 yellow fish and 3 orange fish.

You can divide both these values by 3 to get:

2 yellow fish: 1 orange fish

Therefore, the simplified version of the ratio is 2:1

In context this means for every 2 yellow fish there is 1 orange fish.

The answer is then B.

<em>I hope this helps!!</em>

<em>- Kay </em>

5 0
3 years ago
When the door was left open, 36 pigeons flew the coop. If this was 40 percent of all the pigeons, how many pigeons were there or
ivolga24 [154]

Answer: 90

Step-by-step explanation:

40 % = 0.40. X = number of pigeons. 0.4x =36

X = 36/0.4 = 90

4 0
3 years ago
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