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Ilya [14]
3 years ago
10

Use the function f(x)=2x^3-3x^2+7 to complete the exercises

Mathematics
2 answers:
Anastaziya [24]3 years ago
8 0

To answer this set of questions, all we have to do is just to substitute the value of x in F(x) to the given f(x) equation. 

By substitution and following PEMDAS rule:<span>
F(-1)=2(-1)³-3(-1)²+7=5</span>

F(1)=2(1)³-3(1)²+7=6

F(2)=2(2)³-3(2)²+7=11

Therefore the answers are 5, 6 and 11.

<span> </span>

Gre4nikov [31]3 years ago
3 0

Answer:

f (-1)= 2

f (1)= 6

f (2)= 11

Step-by-step explanation:

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lord [1]

A. $960.

B. $940?

c. Neither.

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5 0
3 years ago
Are the functions inverse of each other?<br><br> f(x)=5x^2+3, g(x)sqrt x-3/5
luda_lava [24]

Answer:

No.

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
2. A soccer field is bordered on three sides by a parking lot of width x. The total
notsponge [240]

Answer: 50m

Step-by-step explanation:

this is the logical way I solved it:

1. Find the area of the entire area thing

300*200=60000

2. Subtract the area of the field from the area of the entire place

60000-30000=30000

3. Divide the area of the parking by three because there are three sides

30000 ÷ 3 = 10000

4. Divide 10000 by 200, not 300 because we want to find the side with one <em>x</em>, not two <em>x</em> (there are two sides adding on to the side with 300, but only one side on the side with 200)

10000÷200= 50

I know the steps are weird, but I know this is the right answer because this was on the unit test (same misspelling and everything lol) and during tutoring my teacher showed me how to do it, but of course I had to forget the steps.

4 0
3 years ago
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