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sladkih [1.3K]
3 years ago
7

Let f be continuous on [0, a] and differentiable on (0, a), Prove that if f(a)=0 then there is at least one value of x in (0, a)

, such that f(x)= -xf'(x).(5marks) (%4h) 4

Mathematics
1 answer:
asambeis [7]3 years ago
6 0

Answer:

See picture attached

Step-by-step explanation:

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Michelle is four times as old as Fiona. Fiona is twice as old as Madeline. Madeline is seven years old. How old is Michelle?
Karo-lina-s [1.5K]

Answer:

michelle is 56 years old

Step-by-step explanation:

start with madeline you know she's 7, move on to fiona we know she is twice as old as madeline so we mulitply 7 times 2, we get 14. now we know fiona is 14 and in order to find michelles age we multiply times 4 because shes four time fionas age. 14x4=56.

4 0
3 years ago
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A flagpole cast a shadow 25ft, near by a person of 5.5ft casting a shadow of 7ft.
noname [10]

Answer:

I got x= 19.6

Step-by-step explanation:

4 0
3 years ago
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If f(x) = -7x + 5x2 + 10, what does f(-2) equal?
Iteru [2.4K]

Answer:

44

Step-by-step explanation:

f(x) = -7x + 5x^2 + 10

f(-2) = -7(-2) + 5(-2)^2 + 10

= 14 + 20 + 10

= 44

6 0
3 years ago
PLEASE HELP ME FAST!! ( It's about y-intercept)
Alex_Xolod [135]

Answer:

y = 10x + 8

Step-by-step explanation:

1. The slope-intercept form of an equation is y = mx + b, where y = y-coordinate, m = slope, x = x-coordinate, and b = y-intercept.

2. Since we're given the value of slope and y-intercept, we just have to plug in those values to it's corresponding variable.

  • 10 = m, and 8 = b.
  • y = 10x + 8
6 0
2 years ago
SOMEONEE HELPPP MEE!!!
Julli [10]
The answer is -3 because u plug in (8,0) to the equation 8+y=5 , next u minus 5 from 8 and get -3. hope that helps!!
7 0
3 years ago
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