The function is [[$ f(x) = 2x + 4 $]].

a) Calculate [[$ f(-1) = $]]

b) Calculate [[$ f(a) = $]]

c) Calculate the zero point of the function.



Answer: The zero point of the function is [[$ x = $]]

d) Calculate at which value of [[$ x $]] the function gives the value 5.


Answer: [[$ f(x) = 5 $]], when [[$ x = $]]