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kenny6666 [7]
2 years ago
15

A)-15 B)-16 C)-30 D)-32

Mathematics
1 answer:
777dan777 [17]2 years ago
8 0

Answer:

  A)  -15

Step-by-step explanation:

The average rate of change of f(x) on interval [a, b] is given by ...

  (f(b) -f(a))/(b -a)

Here, you have ...

  f(x) = -2^x +70

  [a, b] = [2, 6]

so the average rate of change is ...

  (f(6) -f(2))/(6 -2) = ((-2^6 +70) -(-2^2 +70))/4 = (-64 +4)/4 = -16+1

  average rate of change = -15

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aksik [14]

Answer:

v = -3

Step-by-step explanation:

-8(v + 7) = 3v - 23

Expand.

-8v - 56 = 3v - 23

Add -3v and 56 on both sides.

-8v - 56 + 56 - 3v = 3v - 23 + 56 - 3v

-8v - 3v = -23 + 56

Combine like terms.

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Divide -11 into both sides.

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3 0
2 years ago
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A line with a slope of 0.20 passes through
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Answer:

y=0.2x-20

Step-by-step explanation:

1) the common view of the line in the slope-intercept form is:

y=s*x+i, where s - the value of the slope (it is 0.2 according the condition), i - the value of intercept (to be calculated);

y=0.2*x+i.

2) if to substitute the given coordinates (1.25;-17.5) into the common view, then:

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it is possible to calculate the value of 'i': i= -20.

3) if the slope=0.2, the intercept= -20, then the required equation of the line is:

y=0.2x-20.

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SpyIntel [72]
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charle [14.2K]

Answer:

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What is the smallest positive degree angle measure equivalent to sin^-1 (0.391)?
natta225 [31]

Given:

The value is:

\sin^{-1}(0.391)

To find:

The smallest positive degree angle measure equivalent to \sin^{-1}(0.391).

Solution:

We have,

\sin^{-1}(0.391)

Using the scientific calculator, we get

\sin^{-1}(0.391)=23.0167366398^\circ

\sin^{-1}(0.391)\approx 23^\circ

Therefore, the smallest positive degree angle measure equivalent to \sin^{-1}(0.391) is 23 degrees.

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