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Zolol [24]
3 years ago
15

What are some similarities and differences of the rates of change of linear, quadratic, and exponential functions?

Mathematics
1 answer:
gregori [183]3 years ago
5 0

Answer:

linear functions change a constant rate. i.e. the slope of the graph is constant.

d/dx (mx+b) = m


quadratic functions change at a linear rate, slower than the function itself.

The slope of the tangent to the graph is proportional to the x coordinate.

d/dx (ax^2) = 2ax

Slope of tangent to ax^2 at point (x,ax^2) is 2ax.


Exponential functions change at the same rate as the function itself. The slope of the tangent to the graph is proportional to the y coordinate.


The slope of tangent at point (x,exp(x)) is exp(x).


Definition of exp(x) is just exp(0) = 1 and d/dx exp(x) = exp(x).


d/dx exp(ax) = a exp(ax) is not part of the definition, but follows from from the chain rule


Step-by-step explanation:


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2 years ago
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jarptica [38.1K]

Answer: 37 1/3

Step-by-step explanation:

14/1÷3/8=?

Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes

14/1 × 8/3=?

For fraction multiplication, multiply the numerators and then multiply the denominators to get

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This fraction cannot be reduced.

The fraction

112/3

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Convert to a mixed number using

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miv72 [106K]

Answer:

a. (x + 4)² + (y – 7)² = 3²

Step-by-step explanation:

General equation for a circle is:

(x – h)² + (y – k)² = r²

h and k are the center (h, k), and r is the radius.

They want a center of (-4, 7) so h=-4 and k=7

They want a radius of 3 so r=3

plug it into the equation.

(x – h)² + (y – k)² = r²

(x – (-4))² + (y – (7))² = (3)²

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7 0
3 years ago
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