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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

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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