A quadratic function and an exponential function are graphed below. Which graph most likely represents the exponential function?
graph of function t of x is a curve which joins the ordered pair 0, 1 and 1, 3 and 3, 27. Graph of function p of x is a curve which joins the ordered pair 0, 2 and 1, 3 and 3, 11 and 5, 27 and 6, 38
1 answer:
Using the given points, I was able to graph the functions t(x) and p(x) as shown in the picture. The difference between a quadratic function and an exponential is the degree of the equation. The quadratic equation has a degree of 2 while that of an exponential function is a degree raised to a variable. For better illustration, I would provide examples:
Quadratic equation: y = 2x²+5
Exponential equation: y = 2³ˣ
If you would test it quantitatively the rate of change, or the slope, between points is greater for exponential than quadratic equations. Because a slight increase in x, will cause an exponential rise, To you observe visually if the slope is greater if the curve is closer to a vertical line. From the picture, we can see that the blue curve has a greater slope. Therefore, the exponential function is t(x).
Quadratic equation: y = 2x²+5
Exponential equation: y = 2³ˣ
If you would test it quantitatively the rate of change, or the slope, between points is greater for exponential than quadratic equations. Because a slight increase in x, will cause an exponential rise, To you observe visually if the slope is greater if the curve is closer to a vertical line. From the picture, we can see that the blue curve has a greater slope. Therefore, the exponential function is t(x).
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In can be less mental effort if the equation is multiplied by -1 first.
.. x^2 -10x +8 = 0
.. x^2 -10x +25 +8 -25 = 0
.. (x -5)^2 = 17
.. x -5 = ±√17
.. x = 5 ±√17
The values of x that satisfy the given equation are
.. x = 5 -√17 ≈ 0.877
.. x = 5 +√17 ≈ 9.123
.. x^2 -10x +8 = 0
.. x^2 -10x +25 +8 -25 = 0
.. (x -5)^2 = 17
.. x -5 = ±√17
.. x = 5 ±√17
The values of x that satisfy the given equation are
.. x = 5 -√17 ≈ 0.877
.. x = 5 +√17 ≈ 9.123
A) The car is moving 75 degrees to northeast because if the car Is going east and now going northeast. Clearly it's 75 degrees.
B) the angle would be 75 degrees because the angle because of the vertical angle ( vertical looks like a bow tie and the picture) and vertical angles are always the same.
C) The angle created by the turning is 105 degrees, remember the horizontal lines are 180 degrees and the other side if 3rd street would be 75 degrees, but subtract 75 from 180 you would get 105 degrees.
B) the angle would be 75 degrees because the angle because of the vertical angle ( vertical looks like a bow tie and the picture) and vertical angles are always the same.
C) The angle created by the turning is 105 degrees, remember the horizontal lines are 180 degrees and the other side if 3rd street would be 75 degrees, but subtract 75 from 180 you would get 105 degrees.