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Ludmilka [50]
3 years ago
13

Help, write an expression in the simplest form that represents the area (in square feet) of the banner.

Mathematics
2 answers:
k0ka [10]3 years ago
6 0

Answer:

3 (3 + x) is equal to the banner

pishuonlain [190]3 years ago
5 0

Answer:

3x+9 ft²

Step-by-step explanation:

The formula for the area of a rectangle is height × length

The height of the banner is 3, and the length is 3+x

So, you would do 3(3+x)= 3×3+3x= 3x+9

Therefore, the answer would be 3x+9 ft²

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The function f(x) is an increasing function about which little else is known about other than f(2)=7 and f'(2)=5. Find (f^-1)'(7
andreyandreev [35.5K]

Since f(x) is (strictly) increasing, we know that it is one-to-one and has an inverse f^(-1)(x). Then we can apply the inverse function theorem. Suppose f(a) = b and a = f^(-1)(b). By definition of inverse function, we have

f^(-1)(f(x)) = x

Differentiating with the chain rule gives

(f^(-1))'(f(x)) f'(x) = 1

so that

(f^(-1))'(f(x)) = 1/f'(x)

Let x = a; then

(f^(-1))'(f(a)) = 1/f'(a)

(f^(-1))'(b) = 1/f'(a)

In particular, we take a = 2 and b = 7; then

(f^(-1))'(7) = 1/f'(2) = 1/5

3 0
2 years ago
Can someone help and show how this is done
blondinia [14]

Answer:

18x+5

Step-by-step explanation:

Rhe perimeter of a triangle is the sum of its three sides which here are (6x-3), (5x+6), (7x+2).

So we add them all up, 6x-3+5x+6+7x+2=18x+5

8 0
3 years ago
Read 2 more answers
Let f(x) = 4x + 5 and g(x) = x2 - 9x + 20.<br> f(x)<br> g(x)
Reil [10]

Answer:97

97

Step-by-step explanation:

7 0
3 years ago
What is 2 1/4 - 1 2/5 please help me
Troyanec [42]

Answer: 17/20=0.85

Step-by-step explanation:

5 0
3 years ago
alice has 1/5 many miniatures cars as sylvester has . silvester has 35 miniatures cars how many miniatures car does alice have
lora16 [44]
Take 35 and divide it by 5.
35/5 = 7
Alice has 7 miniature cars.
4 0
3 years ago
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