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faltersainse [42]
3 years ago
6

Write an exponential function of the form f(x) = ab* whose graph passes through the

Mathematics
1 answer:
Andrews [41]3 years ago
4 0

Answer:

Step-by-step explanation:

let f(x)=ab^x

when x=1,f(x)=6

6=ab

when x=2,f(x)=18

18=ab^2

divide

\frac{ab^2}{ab}=\frac{18}{6}\\b=3\\ab=6\\3a=6\\a=2\\f(x)=2(3)^x

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The vertex of this parabola is at (-2, 5) (opens upward)
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Answer:

b.  y = 3(x+2)^2 + 5

Step-by-step explanation:

The vertex form of a parabola is

y = a(x - h)^2 + k    where (h, k) is the vertex.

Here  h = -2 and k = 5 so the following could be the required equation\;

y = 3(x+2)^2 + 5

7 0
3 years ago
Zhane picked 28 cherries. 1/7 of them are bad. How many groups of cherries would she have to divide them into to find out how ma
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jenyasd209 [6]
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3 years ago
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A is a finite non-empty set. The domain for relation R is the power set of A.(Recall that the power set of A is the set of all s
siniylev [52]

Answer:

The answer is "Choice D"

Step-by-step explanation:

Determining the information:

For "X \subseteq A " and "Y \subseteq A",  X relates to Y when X and Y has the same cardinality. therefore, R does not have reflective:

For every "X \subseteq A", "X= X" So, X  not proper subset ofX.  So, R does not havereflexive.

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R does not have antisymmetric:

When X relates to Y and Y is relate to X, then "X \subset Y" and "Y \subset X"\to X=Y

Therefore, R is anti-symmetric.

5 0
3 years ago
Change the value of n some more, and observe how the lengths of the sides of the image change. Once you've settled on a value fo
Anettt [7]

Answer:

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Step-by-step explanation:

This answer assumes that n = 3.5. The ratio of each side length on  to the corresponding side length on  is equal to 3.5. For example, a′ = 3.5a. The ratio is equal to the scale factor, n.

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3 years ago
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