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Iteru [2.4K]
3 years ago
10

Evaluate f(2) for the function f(x) = 3x2 + 2x - 5

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

Your answer is 11
Shalnov [3]3 years ago
3 0

Answer:

The answer for f(2) is 11.

Step-by-step explanation:

f(x) = 3x2 + 2x - 5

f(2) = 3(2)2 + 2(2) - 5

f(2) = 6(2) + 4 - 5

f(2) = 12 + 4 - 5

f(2) = 16 - 5

f(2) = 11

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An item that was selling 72 is reduced to 60. Find the recent decrease in price. Round you answer to the nearest tenth.
Lubov Fominskaja [6]

You need to find what percentage the difference is of 72.  

First, subtract 60 from 72:

72-60=8

Next, divide 8 by 72:

8/72=0.1111

To convert this decimal to a percentage, multiply it by 100:

100*0.1111=11.11

The percent decrease is 11.11%.

Hope this helps!!

8 0
3 years ago
Evaluate the function for x = 3a. f(x)=2x^2-3x 4
Dmitry_Shevchenko [17]
Hello,

f(x)=2x^2-3x+4
f(3a)=2(3a)^2-3*(3a)+4=2*9a²-9a+4=18a²-9a+4
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3 years ago
Plz help will give out brainliest
fredd [130]

Answer:

I think is B

Step-by-step explanation:

I dont know I thont know

4 0
3 years ago
Read 2 more answers
How to do the problem
trapecia [35]

Step-by-step explanation:

g(0.5) = 2 \\  \\ h(x) = g(x).f(x) \\  \therefore \: h(2) = g(2).f(2) \\  \therefore \: h(2) = 5 \times 2\\ \therefore \: h(2) = 10\\  \\ \\  j(x) = g(x) - f(x) \\  \therefore \: j(4) = g(4) - f(4) \\  \therefore \: j(4) = 9 - 8\\ \therefore \: j(4)  = 1\\  \\  \\

4 0
3 years ago
Which is an equivalent expression
Harlamova29_29 [7]

Answer:

the answer to that is the second one, 4^-4

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