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Find the inverse function

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Reference no: EM132526136

MTH100 College Mathematics - Emirates College of Technology

Question 1: Exponential and Logarithmic Equations

Solve the following equations:

(a) log82x-12= 2

(b) log2(x+3)+log27= log5253

(c) 243(x-4) = 3(3x+6)

Question 2 : Functions:

i) Graph the function f(x)=4-x

x -2 2 3
F(x)      
(x , y)      

ii) Let f(x)=4+x2, g(x)=8-x, then find the following:

(g/f)(-1)

(g+f)(3)

(fog)(4 )

iii) Find the inverse function of f(x)=7+5x

Question 2: Probabilities

Three dice are rolled, find the probability that the 3 dice show different numbers of dots.

A fair coin is tossed three times in succession, find the probability that the 3 tosses show different results.

Reference no: EM132526136

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