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zaharov [31]
3 years ago
12

4621.60 x 9.92 with work

Mathematics
1 answer:
natka813 [3]3 years ago
7 0

Answer:

need a answer

Step-by-step explanation:

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A curve has equation<br> y = x²(x - 2)<br> Work out the gradient of the curve at the point (3,9).
slava [35]

Answer:

y = x^2 (x - 2) = x^3 - 2 x^2

dy/dx = 3 x^2 - 4 x

At x = 3  dy/dx = 3 * 9 - 4 * 3 = 15  The slope (gradient) of the curve

4 0
2 years ago
Use the following function to find the value of each operation.
Murljashka [212]
<h2>Evaluating Composite Functions</h2><h3>Answer:</h3>

w(f(m(2))) = 593

<h3>Step-by-step explanation:</h3>

We can write how w(f(m(x))) will be defined but that's too much work and it's only useful when we are evaluating w(f(m(x))) with many inputs.

First let's solve for m(2) first. As you read through this answer, you'll get the idea of what I'm doing.

Given:

m(x) = -4x +1

Solving for m(2):

m(2) = -4(2) +1 \\ m(2) = -8 +1 \\ m(2) = -7

Now we can solve for f(m(2)), since m(2) = -7, f(m(2)) = f(-7).

Given:

f(x)=3x-1

Solving for f(-7):

f(-7)=3(-7)-1 \\ f(-7) = -21 -1 \\ f(-7) = -22

Now we are can solve for w(-22). By now you should get the idea why w(f(m(2))) = w(-22).

Given:

w(x) = x^2 -5x -1

Solving for w(-22):

w(-22) = (-22)^2 -5(-22) -1 \\ w(-22) = 484 -5(-22) -1 \\ w(-22) = 484 +110 -1 \\ w(-22) = 593

8 0
3 years ago
How do you find percentage lost
Helen [10]
First: work out the difference (decrease) between the two numbers you are comparing. Then divide the decrease by the original number and multiply the answer by 100. If your answer is a negative number, then this is a percentage increase. :)
7 0
3 years ago
Read 2 more answers
solve the problem max has 8 pennies jen has 3 more pennies than max how many pennies do max and jen have in all
9966 [12]

Answer:

19

Step-by-step explanation:

5 0
3 years ago
4879.64 is 7% of what number?
ELEN [110]
4879.64/7% = 69709.142857 (69709.14)

HOPE THIS HELPS!!!
7 0
3 years ago
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