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Reil [10]
3 years ago
13

A pond had 60 fish.

Mathematics
1 answer:
Irina-Kira [14]3 years ago
6 0
Should be 11 if i did it correctly <span />
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Use the four-step process to find f'(x) and then find f'(1), f'(2), and f'(3).
Soloha48 [4]

Step 1: evaluate f(x+h) and f(x)

We have

f(x+h) = -(x+h)^2+6(x+h)-5 = -(x^2+2xh+h^2)+6x+6h-5

= -x^2-2xh-h^2+6x+6h-5

And, of course,

f(x)=-x^2+6x-5

Step 2: evaluate f(x+h)-f(x)

f(x+h)-f(x)=-x^2-2xh-h^2+6x+6h-5-(-x^2+6x-5)=-2xh-h^2+6h

Step 3: evaluate (f(x+h)-f(x))/h

\dfrac{f(x+h)-f(x)}{h}=-2x-h+6

Step 4: evaluate the limit of step 3 as h->0

f'(x) = \displaystyle \lim_{h\to 0} \dfrac{f(x+h)-f(x)}{h}=-2x+6

So, we have

f'(1) = -2\cdot 1+6 = 4,\quad f'(2) = -2\cdot 2+6 = 2,\quad f'(3) = -2\cdot 3+6 = 0

5 0
3 years ago
In a school 3/5 of children are boys and the number of girls is 2000. Find the number of boys.
Ahat [919]

Answer:

3000

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Determine if the given side lengths could be used to form a unique triangle, many different triangles, or no triangles.
Alina [70]

Answer:

a

Step-by-step explanation:

5 0
3 years ago
Please please please please help me
lianna [129]
Do the same to the other side
4 0
3 years ago
Read 2 more answers
Solve for x: x + 15 = 45 Question 1 options: 30 60 -60 -30
brilliants [131]

<u><em>Answer: A. 30. x=30/ 30=x *The answer should be the positive sign.*</em></u>

Step-by-step explanation:

subtraction property of equality is subtracting the same number from both sides of an equation does not change the equation.

a-c=b-c

addition property of equality is adding the same number to both sides of an equation does not change the equation.

a+c=b+c

subtract by 15 both sides of an equation.

x+15-15=45-15

simplify.

45-15=30

30+15=45

45-30=15

x=30 and 30=x

Hope this helps!

Thanks!

Have a great day!

6 0
4 years ago
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