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Tju [1.3M]
3 years ago
7

Evaluate the expression when b=-3 and x=4. b-5x

Mathematics
1 answer:
Anton [14]3 years ago
4 0

Answer:

-23

Step-by-step explanation:

b - 5x

-3 - 5(4)

-3 - 20

-23

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Answer:

4+19W

Step-by-step explanation:

You would just simplify the terms, 13-9=4 and 3W+16W=19W

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3 years ago
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Let f be a differentiable function such that f(3)=15, f(6)=3, f ' (3)= -8, and f ' (6)= -2. The function g is differentiable and
Ray Of Light [21]

Answer:

A. g'(3)=-\frac{1}{2}

Step-by-step explanation:

We have been given that f be a differentiable function such thatf(3)=15, f(6)=3, f'(3)= -8, and f'(6)= -2. The function g is differentiable and g(x)= f^{-1} (x) for all x.

We know that when one function is inverse of other function, so:

g(f(x))=x

Upon taking derivative of both sides of our equation, we will get:

g'(f(x))*f'(x) =1

g'(f(x))=\frac{1}{f'(x)}

Plugging x=6 into our equation, we will get:

g'(f(6))=\frac{1}{f'(6)}

Since g(x)= f^{-1} (x), then g'(f(6))=g'(3).

g'(3)=\frac{1}{f'(6)}

Since we have been given that f'(6)= -2, so we will get:

g'(3)=\frac{1}{-2}

g'(3)=-\frac{1}{2}

Therefore, g'(3)=-\frac{1}{2} and option A is the correct choice.

8 0
4 years ago
Tell whether the ratios form a proportion. 14:8 and 28:10
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Answer:

no

Step-by-step explanation:

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Since the fractions are not equal, it is not a proportion.

Answer: no

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Answer:

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Step-by-step explanation:

consists of 6 faces which are rectangles

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