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Ahat [919]
3 years ago
14

If f(x) = 2x2 - x, find f(-3).

Mathematics
1 answer:
forsale [732]3 years ago
7 0

f(x)=2x^2-x


Substitute the value of x = -3 to the equation:


f(-3)=2(-3)^2-(-3)=2(9)+3=18+3=21

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3 years ago
A coca cola costs 150 yen. You buyed 30 bottles of cola and sold them at the price of 155 yen each. Find profit %​
bazaltina [42]
<h3><u>Question:</u><u>-</u></h3>

A coca cola costs 150 yen. You buyed 30 bottles of cola and sold them at the price of 155 yen each. Find profit %

<h3><u>Answer</u><u>:</u><u>-</u></h3>

3.33%

<h3><u>Explanation</u><u>:</u><u>-</u></h3>

Cost price = ¥150

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7 0
2 years ago
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substitute the variables
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3 years ago
Need answers ASAP!!!!!
Aleksandr-060686 [28]
Answer
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