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a. Which graph represents which function? Explain your answer, please.

b. How many solution does the equation 0,52x^4 = 17 have? 

c. Show that h(2a) = 4a^3

d. Give the domain and the range of function g

e. Given is the function k(x) = -1 1/2 + 2 √ax+b. Calculate the value of a and of b

 May 29, 2019
 #1
avatar+110237 
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The first two look like normal polynomials to me.

For polynomials,

if the highest power is even then the ends will both be above or both be below the x axis.

if the highest power is odd then one end will be above the x axis and one below.    (both heading off to + or - infinity)

 

The last one looks like it could be a part of a Sideways parabola.

 

Now you tell me which is which.   And you tell me why you think so. 

 

 

 

Please no one answer over me.

 May 29, 2019

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