# math help

find an equation of the line passing through the given points. Write the equation in function notation

(4,5) and (2,9)

f(x)=

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1. could someone help me with this question

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2. 8.004+82.5

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3. The cost of travelling in a taxi in the city of Casio is fixed at RM 2 per kilometre plus RM 3 as service charge.

(a) Express the cost of travelling in a taxi, C as a function of distance, x in function notation.
(b) Identify independent variable and dependent variables in (a)
(c) Given that the set of cost, and the set of distance, ,
(i) Represent the function in arrow diagram and order pair
(ii) List the domain, co-domain and the range of the function
(iii) Sketch the graph of the function
(iv) Identify the type of the function

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